Compounds

Question 1

The law of constant composition

Answer 1

All samples of a given compound have the same proportions of their constituent element.

Question 2

Polyatomic ion

Answer 2

An ion contained in a molecule that has more than one of the same ions; eg, x2 NO3 in Mg(NO3)2

Question 3

Empirical formula difference to molecular formula

Answer 3

The simplest whole number formula is the empirical HO, while the actual bomber of atoms in each molecule is the molecular formula H2O2.

Question 4

Atomic element

Answer 4

Single atoms as their basic units, most elements fall into this category

Question 5

Molecular elements

Answer 5

Diatomic molecules, 2 atoms of the same element bonded together.

Question 6

Molecular compounds

Answer 6

Composed of 2 or more of a non-metal.

Question 7

Ionic compounds

Answer 7

Are composed of one or more cations paired with one or more anions. Cations, metals and anions, non metals.

Question 8

Na+

Answer 8

Sodium

Question 9

N3-

Answer 9

Nitrogen charge

Question 10

PO4(-3)

Answer 10

Phosphate (charge)

Question 11

NO2(-)

Answer 11

Nitrite

Question 12

NO3(-)

Answer 12

Nitrate

Question 13

CO3(2-)

Answer 13

Carbonate

Question 14

C2H3O2(-)

Answer 14

Acetate

Question 15

ClO(-)

Answer 15

Hypochlorite

Question 16

ClO2(-)

Answer 16

Chlorite

Question 17

ClO3(-)

Answer 17

Chlorate

Question 18

SO4(2-)

Answer 18

Sulfate

Question 19

SO3(2-)

Answer 19

Sulfite

Question 20

O2(2-)

Answer 20

Peroxide

Question 21

NH4(+)

Answer 21

Ammonium