stock + common name system

Question 1

Which elements can have a positive charge of 2 & 3

Answer 1

Fe- Ferrous= 2 Ferric= 3 Co- Cobaltous= 2 Cobaltic= 3
Cr- Chromous= 2 Chromic= 3 Mn- Manganous= 2 Manganic= 3

Question 2

Which elements can have a positive charge of 1 & 2

Answer 2

Cu- Cuprous= 1 Cupric= 2 Hg- Mercurous= 1 Mercuric= 2

Question 3

Which elements can have a positive charge of 2 & 4

Answer 3

Pb- Plumbous= 2 Plumbic= 4
Sn- Stannous= 2 Stannic= 4

Question 4

Which elements can have a positive charge of 1 & 3

Answer 4

Au= Aurous= 1 Auric= 3

Question 5

Which elements have a positive charge of +1

Answer 5

H-Hydrogen, Li-Lithium, Na-Sodium, K-Potassium, Rb-Rubidium, Cs-Caesium, Ag-Silver

Question 6

Which elements have a positive charge of +2

Answer 6

Be-Beryllium, Mg-Magnesium, Ca-Calcium, Sr-Strontium,
Ba-Barium, Ra-Radium ,Zn-Zinc , Ni-Nickel

Question 7

Which elements have a positive charge of +3

Answer 7

Al-Aluminium B-Boron

Question 8

Which elements have a negative charge of -2

Answer 8

O-Oxide S-Sulphide

Question 9

Which elements have a negative charge of -3

Answer 9

N-Nitride P-Phosphide