UNIT 4 - Vocabulary

What is a chemical bond?

• A type of chemical reaction

• A force that holds atoms together in a compound

• A process of breaking down compounds

• A type of chemical element

Tags

NGSS.HS-PS1-3

What does electronegativity refer to?

• The ability of an atom to attract electrons in a chemical bond

• The number of protons in an atom

• The total number of electrons in an atom

• The energy required to remove an electron from an atom

Tags

NGSS.HS-PS1-1

What is the Octet Rule?

• Atoms tend to gain, lose, or share electrons to have eight electrons in their outer shell

• Atoms are stable with eight protons in their nucleus

• Atoms form bonds in groups of eight

• Atoms are most stable with eight neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a molecule?

• A single atom

• A group of atoms bonded together

• A type of ion

• A crystal structure

Tags

NGSS.HS-LS1-6

What is a salt in chemistry?

• A compound formed from the reaction of an acid with a base

• A type of metal

• A liquid solution

• A gaseous compound

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a crystal lattice?

• A random arrangement of atoms

• A regular, repeating arrangement of atoms, ions, or molecules

• A single molecule

• A type of chemical bond

Tags

NGSS.HS-PS1-3

What is an ionic compound?

• A compound formed by covalent bonds

• A compound composed of ions held together by ionic bonds

• A compound that contains only metals

• A compound that is always gaseous

Tags

NGSS.HS-PS1-3

What is an ionic bond?

• A bond formed by the sharing of electrons

• A bond formed by the transfer of electrons from one atom to another

• A bond formed by the sharing of protons

• A bond formed by the sharing of neutrons

Tags

NGSS.HS-PS1-3

What is an ion?

• A neutral atom

• An atom or molecule with a net electric charge due to the loss or gain of one or more electrons

• A type of chemical bond

• A molecule with no charge

Tags

NGSS.HS-PS1-2

What is a cation?

• A negatively charged ion

• A positively charged ion

• A neutral molecule

• A type of chemical bond