Question

The maximum valency of an element with atomic number is? 

Solution

Correct option is

5

Valency is according to valence shell configuration which here is 1s2, 2s2, 2p3ie, 5.

SIMILAR QUESTIONS

Q1

For electron affinity of halogens, which of the following is correct?

Q2

Which one of the following has the highest electronegativity?   

Q3

The outermost electronic configuration of the most electronegative element is 

Q4

Fluorine has low electron affinity than chlorine because of  

Q5

The second electron affinity is zero for

Q6

Which one of the following combinations represents a metallic element?

Q7

Which one of the following process requiring absorption of energy?

Q8

Which has highest melting point?

Q9

Which of the following metals exhibits more than one oxidation state?

Q10

The correct order of reactivity of halogens is