Ions, bases and acids formulas

Question 1

outline all ions with a 1+ charge

Answer 1

ammonium, NH4 +

Question 2

outline all ions with a 1- charge

Answer 2

Nitrate, NO3-
Nitrite, NO2-
Hydroxide, OH-
Hydrogencarbonate, HCO3 -
Hydrogensulphate, HSO4 -
Permanganate, MnO4-

Question 3

outline all ions with a negative 2 charge

Answer 3

Oxide, O 2-
Sulphide, S 2-
Carbonate, CO3 2-
Sulphate, SO4 2-
Sulphite, SO3 2-
Chromate, CrO4 2-
Dichromate, Cr2O7 2-

Question 4

outline all ions with a negative 3 charge

Answer 4

Nitride, N 3-
Phosphate, PO4 2-

Question 5

outline the formula of these acids:
Nitric acid
Sulfuric acid
Ethanoic acid
Carbonic acid
Phosphoric acid
Benzoic acid

Answer 5

HNO3 (nitric acid)
H2SO4 (sulfric acid)
CH3COOH (enthanoic acid)
H2CO3 (carbonic acid)
H3PO4 (phosphoric acid)
C6H5OOH (s) (benzoic acid)

Question 6

outline the formulae of these bases
Calcium oxide
Copper (ll) oxide
Sodium hydroxide
Lithium hydroxide
Calcium hydroxide
Barium hydroxide
Ammonia
Ethanamine

Answer 6

CaO (calcium oxide)
CuO (copper oxide)
NaOH (sodium hydroxide)
LiOH (lithium hydroxide)
Ca(OH)2 (calcium hydroxide)
Ba(OH)2 (barium hydroxide)
NH3 (ammonia)
CH3CH2NH2 (ethanamine)

Question 7

outline the formulae of these amphiprotic species
Hydrogen carbonate ion
hydrogen sulfate ion
Dihydrogen phosphate
Hydrogen phosphate

Answer 7

HCO3-, Hydrogen carbonate ion
HSO4-, hydrogen sulfate ion
H2PO4-, Dihydrogen phosphate
HPO4(2-) ,Hydrogen phosphate