When bonds between atoms are broken or formed, what is the outcome?
a.
a physical change
b.
an element increasing in size
c.
a chemical change
d.
a change of state

Two or more atoms may bond with each other to form a molecule. When two hydrogens and an oxygen share electrons via covalent bonds, a water molecule is formed. Chemical reactions occur when two or more atoms bond together to form molecules or when bonded atoms are broken apart.

True, the standard unit for volume is liters which can be represented by either a lower case "l" or a capital "l"

12 is probably the typical age for a first kiss but i think its to young.