Matter 2nd Vocab

Question 1

Molecules

Answer 1

When two or more atoms combine, they form a molecule.

Question 2

Compound

Answer 2

Two of more elements that combined.

Question 3

Chemical bond

Answer 3

The force of attraction between atoms. Chemical bonds occur when atoms either transfer or share electrons.

Question 4

Chemical reaction

Answer 4

A process which converts one set of chemical substances into another.

Question 5

Chemical formula

Answer 5

A way of describing the number of atoms that make up one molecule of a compound. Example H2O CO2

Question 6

Reactant

Answer 6

The substance consumed during a chemical reaction.

Question 7

Product

Answer 7

The substance formed during a chemical reaction.

Question 8

Chemical equation

Answer 8

A way of writing changes in arrangement of atoms during a chemical reaction, using chemical symbols.

Question 9

Valence Shell

Answer 9

Outer most area of atom. Holds electrons

Question 10

Ionic bond

Answer 10

Type of bond in which one or more electrons from one atom are transferred to another atom. Sodium Chloride, (salt) is an example of a compound that has ionic bonds.

Question 11

Covalent bonds

Answer 11

Type of bond in which atoms share one or more electrons. Water is an example of a compound that has covalent bond.