Question

Valency chart of 10 positive and 10 negative radicals

Answer 1

Explanation:

Radicals or Ions: ... Radicals or ions are formed by losing or gaining electrons. When an electron is gained the group of atoms acquire a negative charge and is called negative radical or negative ion. When an electron is lost the group of atoms acquire a positive charge and is called positive radical or positive ion.

Answer 2

Answer:

Number Symbol Elements Valence

1 H Hydrogen 1,0, - 1

2 He Helium 0

3 LI Lithium 1,- 1