Writing Formulae Flashcards
1
Q
Metal
A
We just write the element symbol eg: Cu, Al etc
Never diatomic
2
Q
Common covalent substances
A
Diatomic elements eg: O2, N2, H2 etc
The halogens
3
Q
Common strong acids
A
Hydrochloric acid= HCL
Sulfuric acid= H2SO4
Nitric Acid= HNO3
4
Q
Ionic Compound
A
We need to know what positive ion (cation) and what negative ions (anions) form the ionic compound, in order to work out the formulae of the compound