Number of valence electrons in carbon is

(a)

2

(b)

3

(c)

4

(d)

5

Atoms having 1, 2 or 3 electrons in its valence shell will readily form_____________

(a)

cation

(b)

anion

(c)

Calcium

(d)

electron

Bond formed between a metal and non-metal atom is usually____________

(a)

ionic bond

(b)

covalent bond

(c)

co-ordinate bond

(d)

metallic bond

Covalent bond is formed by_________

(a)

transfer of electrons

(b)

sharing of electrons

(c)

sharing a pair of electrons

(d)

transfer of electrons

Elements with stable electronic configurations have eight electrons in their valence shell. They are__________

(a)

Halogens

(b)

Metals

(c)

Noble gases

(d)

non metals