a. cantion on left anion on right.
The charge.
Compounds which contain transition elements. cu2so4
No there is no roman numeral K... However K is generally used to signify 1000
fack
Roman numerals represent numbers. They are used in chemical formulas to represent the valancy of transitional metals but as neither Sodium or Fluorine is a transitional metal there is no use for Roman numerals in the formula NaF.
The charge.
Compounds which contain transition elements. cu2so4
Cu2So4
No there is no roman numeral K... However K is generally used to signify 1000
A roman numeral in parentheses follows the name of the metal... apex
fack
Roman numerals represent numbers. They are used in chemical formulas to represent the valancy of transitional metals but as neither Sodium or Fluorine is a transitional metal there is no use for Roman numerals in the formula NaF.
WSS
It indicates the oxidation state.
Z is not a Roman numeral. The Roman numerals are I, V, X, L, C, D, M.
The numeral for 4 is often written as IIII on clocks although it is generally written as IV, but both are correct.
The Roman numeral following the cation tells you the oxidation number of that cation. For example, Cu(ll)chloride tags you it is CuCl2 because the (ll) after Cu indicates an ox. no. of 2+.