Type
Crossword
Description

substance with definite composition (1) chemical
study of carbon-containing compounds (1) organic chemistry
measure of the amount of matter (1) Mass
smallest unit of matter (1) atom
state of matter with definite shape and volume (1) Solid
testable statement (2) hypothesis
polyatomic ions containing oxygen (7) oxyanions
sum of all atomic masses in a formula (7) formula mass
Mass of each element in a compound shown as a percent (7) percentage composition
compound formed from two elements (7) binary compound
ion formed from a single atom (7) monoatomic ion
valence-shell, electron-pair. repulsion (6) VSEPR Theory
system of measurements used by scientists all around the world (2) SI
bonding from attraction between metals and surrounding electrons (6) Metallic Bonding
gravitational pull of something (2) Weight
rule where atoms must have 8 electrons in each orbital (6) octet rule
how close measurements to the correct amount or answer (2) Accuracy
mass divided by volume (2) density
atoms held together by covalent bonds (6) molecule
mass is neither created nor destroyed during reactions (3) law of conservation of mass
sharing of electron pairs between two atoms (6) covalent bonding
number of protons in each atom of an element (3) atomic number
specific isotope of an element (3) nuclide
atoms of the same element with different masses (3) isotopes
6.022140857 × 10^23 (3) Avogrados number
bonded atoms with a positive or negative charge (5) ion
Group 17 elements (5) halogens
D-block elements that are metals (5) transition metals
group 1 elements (5) alkali metals
arrangement of elements by their atomic number (5) periodic table
a particle of electromagnetic radiation containing a quantum of energy (4) photon
lowest energy state of an atom (4) ground state
minimum energy that can be lost or gained (4) quantum
emission of electrons from metal when light is shined upon it (4) photoelectric effect
distance between corresponding points on adjacent waves (4) wavelength

Periodic Table Puzzle Crossword

Type
Crossword
Description

What are positively charged particles of the atom? protons
What are negatively charged particles of an atom? electrons
What particle of anatom has no charge? neutrons
Where are protons found? nucleus
Where are electrons found? electron clouds
An _______ is an atom that has the same number of protons but a different number of neutrons as other atoms of the same element. isotope
The ____ ______ is the total number of protons and neutrons. mass number
What detrmines the identity of an atom? atomic number
What is an average of the masses of all naturally occuring isotopes of an element? Atomic mass
The electrons in the outermost energy level of an atom are called _______ _________. valence electrons
Alkali Metals only have ___ valence electron? one
Valence electrons determine the _____ of which an element si placed. group
Lithium is a? alkali metal
Is Flourine a metal or nonmetal? nonmetal
A ______ loses an electron and becomes positively charged. cation
A _____ gains an electron and becomes negatively charged. anion
A row of elements is called a ______. period
What are charged particles that form during chemical changes? ions
What is it called when 2 atoms of nonmetals bond? covalent bonding
What is it called when a metal reacts with a nonmetal? ionic compounds

Chem review by Grant C. Crossword

Type
Crossword
Description

The study of the composition, structure and properties of matter and changes it under goes(Ch 1) Chemistry
A pure substance made of only one kind of atom(Ch 1) Element
definite volume and shape(Ch 1) Solid
substances formed by chemical change (Ch 1) Products
an element that is a good conductor (Ch 1) Metal
a mix of metal and non-metal (Ch 1) Metalloid
testable statement(Ch 2) Hypothesis
a measure of the gravitational pull on matter (Ch 2) weight
a broad generalization that explains a body of facts or phenomenon(Ch 2) Theory
mass divided by volume (Ch 2) Density
combination of SI base units(Ch 2) Derived Units
an explanation of how phenomena occur and how data or events are related(Ch 2) Model
smallest particle of an element (Ch 3) Atom
general term for any isotope of any element (Ch 3) Nuclide
the amount of a substance that contains as many particles as there are atoms (Ch 3) Mole
Atoms of the same element with different masses (Ch 3) Isotopes
of an element is the number of protons in the nucleus of each atom of that element (ch 3) Atomic Number
The mass of one mole of a pure substance (ch 3) Molar mass
The minimum amount of energy an atom can lose or gain (ch 4) Quantum
Lowest energy state of an atom (ch 4) Ground site
a particle of electromagnetic radiation having zero mass and carrying a quantum of energy (Ch 4) Photon
a 3D region around the nucleus that indicates the probable location of an electron (Ch 4) Orbital
The number of waves that pass a specific point in a specific time(ch 4) Frequency
the distance between corresponding points on adjacent waves(ch 4) wavelength
the physical and chemical properties of the elements are periodic functions of their atomic number (Ch 5) periodic law
The 14 elements with atomic numbers 58-71 (ch 5) lanthanide
earth metals of group 2 (ch 5) Alkaline
the elements of group 17 (CH 5) Halogens
positive ion(Ch 5) cation
negative ion (Ch 5) anion
uneven distributions of charge (Ch 6) Polar
a neutral group of atoms held together by a covalent bond (Ch 6) Molecule
indicates the relative number of atoms of each kind in a chemical compound (CH 6) Chemical formula
results of sharing electron pairs between atoms (Ch 6) Covalent bond
polyatomic ions that contain oxygen (Ch 7) oxyanions
an ionic compound composed of the cation and anion from an acid (Ch 7) salt
a solid that is produced as a result of a chemical reaction (CH 8) precipitate

Periodic Table Vocabulary Crossword

Type
Crossword
Description

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

Unit 3 Crossword Puzzle

Type
Crossword
Description

Negative charge of an atom electron
Center part of an atom that holds protons and neutrons nucleus
Positive charge of an atom Proton
Neutral Charge of an atom Neutron
Area in an atom where an electron is found Electron Cloud
Substance that cannot be broken down into smaller parts Element
Number or protons in an atom Atomic number
Atoms of the same element that have different amounts of neutrons Isotopes
Average mass of an element's isotopes Average Atomic Mass
Chart that shows the elements Periodic Table
When 2 or more elements combine Compound
Atom that is no longer neutral because of gained/lost electrons Ion
Chemical bond by sharing of valence electrons Covalent Bond
Chemical Reaction that releases energy exothermic
Chemical reaction that absorbs energy endothermic
Substance that speeds up a chemical reaction catalyst
Symbol for Iron FE
Vertical columns on the Periodic Table are called families
Horizontal rows on the Periodic Table are called periods

Chemical Bonding Crossword

Type
Crossword
Description

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

Atomic Structure and the Periodic Table Crossword

Type
Crossword
Description

The "outer energy shell" of and atom valence
Electrons are "shared" in this type of bond. covalent
Electrons are "stolen" in this type of bond. Ionic
The smallest unit of matter with all the properties of that substance. atom
This matches the number of protons in an atom. atomicnumber
A neutron has a ___________________ charge. neutral
"Like" electric charges ____________________ each other. repel
A combination of one or more atoms. molecule
The location around the nucleus where electrons orbit. electroncloud
A charged particle. ion
A "Family" of elements that do not typically react with other elements. Noblegases
The "Family" of elements that are very reactive. halogens
Characteristics that are measurable or observable are called physical _____________. properties
Subtract the atomic number from the atomic mass to find the number of _________________. neutrons
Electrons have a ______________________ charge. negative
Protons have a _________________________ charge. positive
An abreviated way to name an element. Chemicalsymbol
Other than hydrogen and helium, the number of electrons needed to fill the valence shell. eight
The center of an atom where the protons and neutrons are located. nucleus
An element that can have a variable number of neutrons in its nucleus. isotope
Atoms with full outer energy shells are known to be _______________. stable
A group of elements with similar properties are known as a _________________. family
Reactivity is a ______________________ property. chemical
The elements are organized into this grid. periodictable
When elements react they form new _____________________. substances
This element is found in all organic matter and has four valence electrons. carbon
NaCl is the ___________________________ for salt. chemicalformula
Each ___________________ on the periodic table represents the number of valence electrons in an element. column
Each __________ on the Periodic Table represents the number of "energy levels" an element has. row
The "electronic connections" between elements in a molecule. bonds

Basic Chemistry Crossword

Type
Crossword
Description

The study of matter chemistry
Occupies space and has mass Matter
Solid, liquid, gas State of matter
Pure substances consisting of only one kind of atom in each molecule. Element
Pure substances consisting of two or more atoms in each molecule Compound
Chart of elements organized according to their atomic structure Periodic table
The part of the atom containing the protons and neutrons Nucleus
Positive particle of an atom. The number of these determines what kind of element it is Proton
Neutrally charged particle found in the nucleus and has mass Neutron
Negatively charged particle outside the nucleus Electron
Donated electrons form charged particles called ions to stick together Ionic bond
Shared electrons hold atoms together. Covalent bond
A distinct group of atoms bonded together Molecule
The smallest unit of an element Atom
Shows how atoms in a molecule are located and connected Structural formula
Show the number and type of atoms in a molecule Chemical formula
The ability to do work Energy
A protein molecule or organic molecule used as a catalyst Enzyme
Substances that affect the rate of a reaction but are not changed themselves. Also may start or stop a reaction from occurring. Catalyst
The metric unit used to weigh of a bar of gold kilogram
Substances that enable enzymes to work properly. Coenzyme
Small amount of liquid chemicals would be measured using this metric unit. Milliliter

atoms and molecules Word Search

Type
Word Search
Description

oxygen atom
water molecule
sodium chloride
electrical charge
neon
quark
isotope
energy level
matter
chemical bond
ionic bond
covalent bond
nuclear force
electromagnetic force
hydrogen
bohr model
atomic theory
elements
periodic table
carbon
nobel gases
ion
electron cloud
orbitals
atomic mass
subatomic particle
nucleus
neutron
electron
proton

Ionic Bonding Crossword

Type
Crossword
Description

displays valence electrons in an element Electron Dot Diagram
atom with a + or - charge ion
ion with negative charge anion
ion with positive charge cation
force that holds atoms or ions together as a unit Chemical Bond
notion that shows what elements a compound contains and the ratio of atoms or ion Chemical Formula
attraction between a metal cation and the shared electrons that surround it MetallicBond
sharing of electrons CovalentBond
transfer of electrons IonicBond
tells you how many atoms of each element combine subscript number
force that holds the atoms together in a substance bond
primary reason why elements form compounds Octet Rule

Chemistry Crossword Review Project

Type
Crossword
Description

depend on the amount of matter that is present (1) extensive properties
do not depend on the amount of matter present (1) intensive properties
definite volume but an indefinite shape (1) liquid
definite volume and shape (1) solid
neither definite volume nor shape (1) gas
a testable statement (2) hypothesis
measure of the gravitational pull on matter (2) weight
amount of space occupied by an object (2) volume
ratio of mass to volume (2) density
closeness of a set of measurements (2) precision
smallest particle of an element (3) atom
number of protons of each element of that atom (3) atomic number
same element that have different masses (3) isotope
general term for a specific isotope of an element (3) nuclide
mass of one mole of a pure substance (3) molar mass
distance between two points on adjacent waves (4) wavelength
an atom has higher potential energy than its ground state (4) excited state
solved hydrogen atom spectrum; Danish physicist (4) Niels Bohr
an electron occupies the lowest energy orbital that can recieve it (4) Aufbau principle
Group 18 elements; have no charge (4) noble gases
contains Group 1 and 2 elements (5) s-block
The d-block elements are often referred to as the.. (5) transition elements
1/2 the distance between the nuclei of two identical bonded atoms (5) atomic radius
any process that results in the formation of an ion (5) ionization energy
a positive ion (5) cation
chemical bonding form attraction between cations and anions (6) ionic bonding
bond with an uneven distribution of charge (6) polar
neutral group of atoms held together by covalent bonds (6) molecule
energy required to break a chemical bond (6) bond energy
multiple covalent bonds (6) multiple bonds
ions formed from a single atom (7) monatomic ions
naming system of binary ionic compounds (7) nomenclature
polyatomic ions that contain oxygen (7) oxyanions
composed of a cation and the anion from an acid (7) salt
sum of the average atomic masses of all atoms (7) formula mass