Unit 3 Crossword Puzzle
Type
Crossword
Description

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

Atoms and elements Cross word

Atoms and elements Cross word
Type
Crossword
Description

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

Basic Chemistry Crossword

Basic Chemistry Crossword
Type
Crossword
Description

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

Elements and the periodic table Crossword

Elements and the periodic table Crossword
Type
Crossword
Description

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

Periodic Table And Atoms Crossword

Periodic Table And Atoms Crossword
Type
Crossword
Description

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

Periodic Table Vocabulary Crossword

Periodic Table Vocabulary Crossword
Type
Crossword
Description

a substance that cannot be broken down into a simpler substance by ordinary chemical means
the smallest unit of an element that has all of the properties of the element; basic building block of matter.
the number of protons and neutrons in the nucleus of one atom of the element.
the number of protons contained in each nucleus of its atoms of the element.
a horizontal row (left to right) in the periodic table.
a vertical column (up and down) on the periodic table.
a chart that organizes information about all of the known elements according to their atomic number.
describes how likely an element is to form bonds with other elements.
an element or substance that conducts heat and electricity, is malleable and ductile and has low ionization energy and low electronegativity values. Metals
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
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.
group 1 metals on the periodic table that contain 2 valence electrons and are the second most reactive 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.
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.
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.
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.
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.
the charge of an atoms nucleus resulting from its number of protons
the distance between the nucleus of an atom and it's outermost energy level
the attraction a nucleus has resulting from its number of protons

Chemistry Vocabulary Crossword Puzzle

Chemistry Vocabulary Crossword Puzzle
Type
Crossword
Description

anything that has mass and occupies space
Chemistry/study of the composition of
Scientific Method/includes seven steps to solve a
Neutrons/no
Expirement/procedure used to test a
Theory/a well-tesyed explanation for a broad set
Metals/goid conductors of heat and
Non-metals/bad conductirs of
Proton/positively
Electrons/negatively
Valence Electrons/electrons in the highest occupied energy level of an elements
Chemical Formula/shows the kinds and numbers if atoms in the smalleat representation unit of a
Molecule/neutral grouos of atoms joined together by covalent
Atoms/smallest component of a
Alkaline Earth Metals/six chemical elements in column (group) 2 of the Periodic

Atoms, Elements, and Compounds Crossword

Atoms, Elements, and Compounds  Crossword
Type
Crossword
Description

are the building blocks of matter
Neutrons and Protons are located here
Positively charged particles
Particles that have no charge
Negitively charged particles
pure substances that cannot be broken down into other substances by physical or chemical means
Atoms of the same element that have different numbers of neutrons
A pure substance formed when two or more different elements combine
chemical bond that forms when electrons are shared
a compound in which the atoms are held together by covalent bonds
an electrical attraction between two oppositely charged atoms or groups of atoms
process by which atoms or groups of atoms in substances are reorganized into different substances
substance that lowers the activation energy needed to start a chemical reaction
biological catalyst that speed up the rate of chemical reactions in biological processes
specific location where a substrate binds on an enzyme
molecules that have an unequal distribution of charges
the electrostatic attraction
the substance that is dissolved in the solvent
substance in whih another substance is dissolved
anothe name for homogeneous mixture

Atomic Structure and the Periodic Table Crossword

Atomic Structure and the Periodic Table Crossword
Type
Crossword
Description

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

Periodic Table Puzzle Crossword

Periodic Table Puzzle Crossword
Type
Crossword
Description

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

atoms and molecules Word Search

atoms and molecules Word Search
Type
Word Search
Description

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