Question

Name 5 positive monovalent and 5 negative monovalent elements.
Name 5 positive divalent and 5 negative divalent elements.
Name 5 positive trivalent and 5 negative trivalent elements.
Name 5 positive tetravalent and 5 negative tetravalent elements.

Answer 1

Explanation:

(1)Positive monovalent elements.

1.Sodium.

2.Lithium.

3.Potassium.

4.Rubedium.

You can refer Alkaline metal of group 1 of modern periodic table for more.

(2) Negative monovalent elements.

1.Boron.

2.Chlorine.

3.Flourine.

You can refer Halogen group 17 in modern periodic table.

Answer 2

Answer:

Positive monovalent elements are Lithium, Sodium, Potassium, Cesium, Rubidium.

Negative monovalent elements are Fluorine, Chlorine, Iodine, Bromine, Astatine