Chemistry Review Crossword

Created
Oct 25, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

A change in matter that produces new substances with new properties. (2words) chemicalreaction
New substances produced in a chemical reaction. products
Substances that react together in a chemical reaction. reactants
A system for organizing elements into columns and rows based on their properties. (2words) periodictable
Rows in the periodic table. period
Columns in the periodic table. family
A group of letters and subscript numbers that represent the make-up of a chemical compound. (2words) chemicalformula
An atom that has an electrical charge, either positive or negative. ion
A compound that forms between a metal and a non-metal after electrons are transferred. ionic
A compound that forms between non-metals as they share electrons. molecular
A subatomic particle found in the nucleus of an atom. It has no charge. neutron
A positively charged subatomic particle found in the nucleus of the atom. proton
A negatively charged subatomic particle that orbits the nucleus of an atom. electron
Refers to either the outer orbital of an atom or the electrons found in the outer shell. valence
A reaction in which two or more reactants combine to produce a new product. synthesis
A reaction in which one compound breaks down into two or more simpler compounds. decomposition
A reaction in which one element takes the place of another element in a compound. (2words) singledisplacement
A reaction in which the metal ions of two different compounds exchange places. (2words) doubledisplacement
The smallest unit of an element. atom
A compound that tastes sour, corrodes metal and tissue, and turns blue litmus paper red. acid
A substance that changes colour when added to an acid or a base. indicator
A compound that tastes bitter, feels slippery, corrodes tissue, and turns red litmus paper blue. base
The number in front of a product or reactant in a balanced chemical equation. coefficient
Ability to conduct (transfer) electricity. conductivity
Law describing the fact that the total mass and number of atoms is the same before and after a reaction. (3words) conservationofmass
A reaction between an acid and a base that produces salt and water. neutralization
Elements on the left side of the periodic table. They are malleable, shiny, conductive, and solid at room temperature. metals
Elements on the right side of the periodic table. They are not malleable, not conductive, and exist in a number of states at room temperature. nonmetals
A pure substance that cannot be broken down. element
A pure substance that contains two or more different elements. compound

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More Crosswords, Word Searches, and Puzzles

Periodic Table Vocabulary Crossword

Created
Jan 10, 2017
Type
Crossword
Description

This crossword contains the following questions and answers:

a substance that cannot be broken down into a simpler substance by ordinary chemical means element
the smallest unit of an element that has all of the properties of the element; basic building block of matter. atom
the number of protons and neutrons in the nucleus of one atom of the element. atomic mass
the number of protons contained in each nucleus of its atoms of the element. atomic number
a horizontal row (left to right) in the periodic table. period
a vertical column (up and down) on the periodic table. group
a chart that organizes information about all of the known elements according to their atomic number. periodic table
describes how likely an element is to form bonds with other elements. reactivity
an element or substance that conducts heat and electricity, is malleable and ductile and has low ionization energy and low electronegativity values. Metals metal
an element that does not conduct electricity or heat and is usually a gas at room temperature. Nonmetals are brittle, have high ionization energies and high electronegativity values. Nonmetals tend to gain electrons to form anions nonmetal
group 1 metals on the periodic table that contain 1 valence electron and lose their valence electrons the most easily, making them the most reactive metals. alkali metals
group 1 metals on the periodic table that contain 2 valence electrons and are the second most reactive metals. alkaline earth metals
group 3-­12 on the periodic table. They have varying valence electrons and do not follow the normal trends of the other metals. They form brightly colored compounds and ions in solution. transition metals
group 17 nonmetals on the periodic table that contain 7 valence electrons. They only need to gain 1 valence electron to have a stable octet. They gain valence electrons the most readily, making them the most reactive nonmetals. halogens
group 18 elements on the periodic table that contain 8 valence electrons (He has 2) and a full valence shell making them very stable and inert. noble gases
an element that has some properties of a metal and some properties of a nonmetal. The metalloids are found on the boron staircase, there are 7 metalloids: B, Si, Ge, As, Sb, Te, and Po. metalloid
elements and/or compounds that when put together are unable to react chemically. The noble gases (group 18) elements are inert because of a full valence shell. inert
the charge of an atoms nucleus resulting from its number of protons nuclear charge
the distance between the nucleus of an atom and it's outermost energy level atomic raduis
the attraction a nucleus has resulting from its number of protons electronegativity

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8th Grade Science Crossword

Created
Sep 19, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

Number of protons in the nucleus of an atom atomic number
A stable subatomic particle electron
A cloudlike group of electrons electroncloud
A substance consisting of atoms which all have the same number of protons element
The time required for a quantity to reduce to half its initial value halflife
Any one of various forms in which the atoms of a chemical element can occur isotope
The total number of protons and neutrons in a nucleus massnumber
A subatomic particle of about the same mass as a proton but without an electric charge neutron
A very small particle of matter that is part of the nucleus of an atom and that has a positive electrical charge Proton
A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity metal
An element or substance that is not a metal nonmetal
A nonmetal that can combine with a metal to form an alloy metalloid
The smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule atom

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Chemistry Crossword Puzzle

Created
Feb 3, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

The scientific study of the structure, properties, and reactions of the chemical elements and the compounds they form: Chemistry
Law of Conservation and ________: MASS
A formula that shows what elements are in a compound and what it will become: Chemical Formula
More than one substances turning into other substances. Chemical Reaction
Substances that react. Reactants
Substances that are made: Product
Numbers in front of each substance in a equation: Coefficient
Pure substance found on the periodic table: Element
A type of matter with a fixed composition: Substance
A substance in which the atoms of 2 or more elements are combined: Compound
a physical property defined as the mass of a given substance divided by its amount of substance: Molar mass
the amount of matter of an object mass
a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data: Stoichiometry
A unit of measurement for quantifying atoms and molecules: mole
The best chemistry teacher: Mrs. Alexander

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Atoms and elements Cross word

Created
Sep 1, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

The negatively charged particle in the electron cloud. Electron
A particle in the nucleus that is positively charged Proton
A particle in the nucleus with a neutral, or no charge Neutron
A tiny, dense positively charged region in the center of an Atom Nucleus
Particles, like protons, neutrons, and electrons that are smaller than atoms Subatomic particles
Regions inside the Atom where electrons are likely to be found. This model developed by Schrodinger, is called Quantum Theory Electron Cloud
The number of protons in an element Atomic Number
The average of the masses the neutrally occurring isotopes in element Atomic mass
The arrangement of elements on a table based on their atomic number Periodic table
A column on the periodic table, also called a family containing elements with the same number of Valence electrons Chemical group
one of a hundred or so pure substances that cannot be broken down into simpler substances Element

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Chemical Reactions Crossword

Created
Oct 31, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

A chemical reaction that requires heat Endothremic
The law that states that energy cannot be created or destroyed but can be change another LCE
The minimum amount of energy required to start a chemical reaction Activation Energy
A substance that slows down or stops a chemical reaction Inhibitor
A substance that changes the rate of a chemical reaction without being used up or changed very much Catalyst
A chemical reaction in which heat is released to the surroundings Exothermic
A combination of chemical symbols and numbers to represent a substance Chemical Formula
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products Chemical Equation
A substance or molecule that participates in a chemical reaction Reactant
The substance that forms in a chemical reaction Product
2 or more substances combine to form a new compound Synthesis
A compound decomposes into 2 or more simpler substances Decomposition
1 element replaces another element in a compound Single Replacement

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Chemical Bonding Crossword

Created
Apr 25, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

Bonding which results from the electrical attraction between cations and anions Ionic Bonding
when two atoms share a pair of electrons Covalent Bonding
Covalent bond when electrons are not shared equally Polar covalent bond
the simplest structual unit of an element molecule
compound that consists of positive and negative ions Ionic compound
in a chemical compound the max amount of electrons is 8 in the highest energy level Octet rule
A charged group of covalently bonded atoms Polyatomic ions
bonding that results from the attraction between metal atoms and the surrounding sea of electrons Metallic bonding
ability of a substance to be hammered into thin sheets Melleability
ability of a substance to be drawn or pulled through a small opening to make a wire Ductiliy
simplest collection of atoms from which an ionic compound's formula can be established Formula Unit
covalent bond when one pair of electrons is shared between two atoms single bond
energy required to break a chemical bond and form isolated atoms bond energy
bonding that has an eneven distribution of charge polar

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Periodic Table And Atoms Crossword

Created
Dec 12, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

A particle with a single negative charge Electron
The positively charged central part of an atom Nucleus
A positively charged particles that make up a nucleus Protons
A nuetral particle in the nucleus of an atom Neutron
The electrons in the outermost energy level of Niels Bohr's model of an atom Valance Electrons
An area around an atomic nucleus where an electron is most likely to be found Electron Cloud
Pure substances that cannot be broken down into any simpler substances Elements
The number of protons in an atom of an element Atomic Number
Atoms of the same element that have different numbers of neutrons Isotopes
The sum of the number of protons and neutrons in an atom Mass Number
The average mass of an element's isotopes Average Atomic Mass
A chart of elements arranged into rows and columns based on their chemical and physical properties Periodic Table
Vertical columns on the periodic table Groups
Horizontal rows on a Periodic Table Periods
A group located on the left side of the Periodic Table that is a good conductor and shine when polished Metals
Another group located on the right side of the Periodic Table that are insulators and are not shiny Nonmetals
An object that has low electrical resistance and can allow electricity to flow easily Conductors
An object that has higher electrical resistance and prevents electricity easily through a material Insulator
Elements in the middle of the Periodic Table and are semiconductors.They also have properties that are similar to both metals and nonmetals Metalloids
A substance that is made of two or more elements chemically joined in a specific combination Compound
An atom no longer neutrally charged because it has lost electrons Ion
An attraction that holds ions close together Ionic Bond
A bond formed when two atoms share valence electrons Covalent Bond
A chemical reaction that releases heat of light energy Exothermic Reaction
Chemical Reactions that absorb energy Endothermic Reaction
The speed at which a reaction occurs Rate Of Reaction
A substance that speeds up chemical reactions Catalyst

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SCIENCE FINAL CROSSWORD (Created by,Alaina Fritzinger, period 6, 2016)

Created
Jun 3, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

An electron that is associated with an atom, and that can participate in the formation of a chemical bond; in a single covalent bond. VALENCE ELECTRONS
Made when two or more nonmetal atoms bond by sharing valence electrons. COVALENT COMPOUNDS
A chemical bond that involves the sharing of electron pairs between atoms. COVALENT BONDING
A chemical compound comprising ions held together by electrostatic forces termed ionic bonding. IONIC COMPOUNDS
The complete transfer of valence electron(s) between atoms. IONIC BONDING
Where electrons are when they go around the nucleus of an atom. ELECTRON CLOUD
An orbit followed by electrons around an atom's nucleus. ELECTRON SHELL
An atom or molecule with a net electric charge due to the loss or gain of one or more electrons. IONS
Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei. ISOTOPES
The positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass. NUCLEUS
A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids. ELECTRONS
A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen. NEUTRONS
A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron. PROTONS
Founded the modern version of the periodic table. MOSELEY
Founded the first periodic table. MENDELEEV
An element whose properties are intermediate between those of metals and solid nonmetals. METALLOIDS
An element or substance that is not a metal. NONMETALS
A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity. METALS
The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table. ATOMIC NUMBER
It is approximately equivalent to the number of protons and neutrons in the atom. ATOMIC MASS
Each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. ELEMENT
An ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge. PLASMA
An airlike fluid substance which expands freely to fill any space available. GAS
Firm and stable in shape. SOLID
Flowing freely but of constant volume. LIQUID
The element with the symbol of Pu. PLUTONIUM
The element with the symbol of U. URANIUM
The element with the symbol of Rn. RADON
The element with the symbol of Pb. LEAD
The element with the symbol of Au. GOLD
The element with the symbol of Pt. PLATINUM
The element with the symbol of Ag. SILVER
The element with the symbol of Cu. COPPER
The element with the symbol of Fe. IRON
The element with the symbol of Ti. TITANIUM
The element with the symbol of Ca. CALCIUM

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Chemistry Crossword Puzzle

Created
Jun 7, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

the material or protoplasm within a living cell, excluding the nucleus. Cytoplasm
The ____ states the system mass remains constant. Physical Property
The substance will remain the same through a __________change. Physical
A subatomic particle with a positive charge. Proton
Compounds that contain only carbon and hydrogen. Hydrocarbons
a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red. Acid
Method by which hydrophobic (water-repelling) particles of an ore are separated from hydrophilic (water-attracting) particles of a metallurgical pretreatment process. Flotation
When two or more atoms join together, they form _______. Bond
An element below and to the left of the stepwise division (metalloids) in the upper right corner of the periodic table. Metal
A subatomic particle with a negative charge Electron
One___of oxygen is not stable, two are required for stability. Atom
A measure of the intensity of heat, i.e. the hotness or coldness of a sample or object Temperature
An atom or a group of atoms that carries an electric charge. Iron
Combination of symbols that indicates the chemical composition of a substance. Formula
Noble gases reside in group 18 on the ___of elements. AtomicTheory
The substance that reduces another substance and is oxidized. ReducingAgent
a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product. ChemicalEquation
A___ is a combination of two or more atoms held together by covalent bonds. Molecule
Elements with properties intermediate between the properties of metals and non-metals. Metalloids
A series of cloud-like energy levels called___. Shells
A combination of pure substances. Mixture
In a ___, a cloudy mixture is formed in which tiny particles of one substances are held within another substance. Suspension

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Elements and the periodic table Crossword

Created
Nov 3, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

A particle with a positive charge proton
A particle with no charge neutron
A particle with a negtive charge electron
Atoms with the same number of protons, but different number of neutrons Isotopes
The number of protons in the nucleus atomic number
The number of protons and neutrons in an atom atomic mass
A material that has shininess, conductivity, magnetism, malleability, and ductility Metal
Ability to transfer heat or electricity conductivity
Ability to be pulled into wires ductility
Ability to be hammered into shapes malleability
An element that lacks the characteristics of a metal non metal
An element intermediate in properties of a metal and non metal metalloid
the first element on the periodic table hydrogen
Not discovered in nature, but artificially produced isotopes synthetic elements
What hydrogen and helium would make, if combined Lithium
The 14th element on the periodic table silicon
Electrons in the outermost shell of an atom that are used for chemical bonds valence electrons
Made up of atoms, and defined nthe number of protons in the nucleus elements
the 8th element on the periodic table oxygen
What lithium and helium make when combined boron

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