1. What do you mean by the term chemical formula of a compound?
2. Write the names of the various types of chemical formulae.
a molecular formulae. How are the two related to ea
Answers
Answer:
1.A compound is a substance made up of a definite proportion of two or more elements. A chemical formula tells us the number of atoms of each element in a compound. It contains the symbols of the atoms of the elements present in the compound as well as how many there are for each element in the form of subscripts.
2.Compound ion
Formula
Compound ion
Formula
Compound ion
Formula
Hydrogen
H+
Fluoride
F−
Oxide
O2−
Chloride
Cl−
Peroxide
O2−2
Bromide
Br−
Carbonate
CO2−3
Iodide
I−
sulfide
S2−
Hydroxide
OH−
Sulfite
SO2−3
Nitrite
NO−2
Sulfate
SO2−4
Nitrate
NO−3
Thiosulfate
S2O2−3
Hydrogen carbonate
HCO−3
Chromate
CrO2−4
Hydrogen sulfite
HSO−3
Dichromate
Cr2O2−7
Hydrogen sulfate
HSO−4
Manganate
MnO2−4
Dihydrogen phosphate
H2PO−4
Oxalate
COO2−2/C2O2−4
Hypochlorite
ClO−
Hydrogen phosphate
HPO2−4
Chlorate
ClO−3
Nitride
N3−
Permanganate
MnO−4
Phosphate
PO3−4
Acetate (ethanoate)
CH3COO−
Phosphide
P3−
Lithium
Li+
Sodium
Na+
Potassium
K+
Silver
Ag+
Mercury (I)
Hg+
Copper (I)
Cu+
Ammonium
NH+4
Beryllium
Be2+
Magnesium
Mg2+
Calcium
Ca2+
Barium
Ba2+
Tin (II)
Sn2+
Lead (II)
Pb2+
Chromium (II)
Cr2+
Manganese (II)
Mn2+
Iron (II)
Fe2+
Cobalt (II)
Co2+
Nickel
Ni2+
Copper (II)
Cu2+
Zinc
Zn2+
Aluminium
Al3+
Chromium (III)
Cr3+
Iron (III)
Fe3+
Cobalt (III)
Co3+
Chromium (VI)
Cr6+
Manganese (VII)
Mn7+
Explanation:
Answer:
chemical formula is the symbolic representation of a chemical compound.
example; water H20
Explanation: