Bonding Unit Vocab Quiz

What is a compound?

• A single element

• Two or more elements chemically combined

• A mixture of gases

• A type of molecule with only one atom

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NGSS.MS-PS1-1

What does a chemical formula indicate?

• The color of a compound

• The temperature at which a compound melts

• What elements and how many of each element are in a unit of that compound

• The speed of a chemical reaction

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NGSS.MS-PS1-1

What is the octet rule?

• Atoms will gain, lose, or share electrons in order to have 8 electrons in their outer shell

• Atoms will always have 8 protons

• Atoms will form 8 bonds

• Atoms will have 8 neutrons in their nucleus

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 method of measuring atomic mass

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NGSS.MS-PS1-5

What is an ionic bond?

• When atoms share electrons equally

• When atoms transfer electrons in order to be stable

• When atoms lose protons

• When atoms gain neutrons

What are ions?

• Neutral atoms

• Charged atoms that have gained or lost electrons

• Atoms with extra protons

• Atoms with extra neutrons

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NGSS.MS-PS1-5

What is the oxidation number?

• The number of protons in an atom

• The charge on an ion

• The number of neutrons in an atom

• The atomic mass of an element

What is a polyatomic ion?

• A single atom with a charge

• A positively or negatively charged, covalently bonded group of atoms

• A neutral group of atoms

• A metal bonded to a nonmetal

What results from the sharing of electrons between two nonmetals?

• Ionic bond

• Metallic bond

• Covalent bond

• Hydrogen bond

What is formed when two or more elements bond covalently?

• Ion

• Molecule

• Crystal lattice

• Alloy

Tags

NGSS.MS-PS1-1