What is the atomic no. of Potassium and how many electrons does it have?
a) 3
b) 11
c) 19
d) 4
What is the symbol of Lithium?
a) Li
b) So
c) Na
d) K
What is the symbol of Sodium?
a) Li
b) So
c) Na
d) K
What is the symbol of Potassium?
a) Li
b) Po
c) Na
d) K
How many electron/s is/are present in the valence shell of Lithium? Its atomic No. is 3.
a) 1
b) 2
c) 3
d) 11
How many electron/s is/are present in the valence shell of Sodium? Its atomic No. is 11.
a) 1
b) 2
c) 3
d) 11