Unit 3 Vocabulary Quiz.

What is a Chemical Formula?

• Chemical shorthand that uses symbols to tell what elements are in a compound and their ratios.

• A type of chemical reaction

• A method for balancing equations

• A process of chemical bonding

Tags

NGSS.MS-PS1-1

What is a Molecule?

• A single atom

• A neutral particle that forms as a result of electron sharing among atoms.

• A type of chemical reaction

• A chemical element

Tags

NGSS.MS-PS1-1

What is an Ion?

• A neutral atom

• Charged particle that has either more or fewer electrons than protons.

• A type of chemical bond

• A chemical formula

Tags

NGSS.MS-PS2-3

What is an Ionic Bond?

• A bond formed by the sharing of electrons

• The force of attraction between the opposite charges of the ions in an ionic bond.

• A bond formed by the sharing of protons

• A bond formed by the transfer of protons

What is a Covalent Bond?

• Attraction formed between atoms when they share electrons.

• A bond formed by the transfer of electrons

• A bond formed by the sharing of protons

• A bond formed by the transfer of protons

What is a Polyatomic Ion?

• A single atom with a charge

• Positively or negatively charged, covalent bonded group of atoms.

• A neutral molecule

• A type of chemical bond

What is an Oxidation Number?

• The number of protons in an atom

• Positive or negative number that indicates how many electrons an atom has gained, lost, or shared to become stable.

• The number of electrons in an atom

• The number of neutrons in an atom

What is a Binary Compound?

• A compound composed of three elements

• A compound composed of two elements

• A compound composed of one element

• A compound composed of four elements

What is a Chemical Bond?

• A force that holds atoms together in a compound.

• A type of chemical reaction

• A method for balancing equations

• A process of chemical decomposition

What is a Polar Molecule?

• A molecule with an even distribution of charge

• A neutral molecule in which unequal electron sharing results in a slightly positive end and a slightly negative end.

• A molecule with no charge

• A molecule with a net positive charge

Tags

NGSS.MS-PS2-3