Valency of Sodium Atom

What is the atomic number of sodium?

• 8

• 11

• 23

• 16

How many electrons does a sodium atom have in its outermost shell?

• 2

• 3

• 8

• 1

What is the electronic configuration of a sodium atom?

• 1s2 2s2 2p6 3s2

• 1s2 2s2 2p6 3s1

• 1s2 2s2 2p6 3s2

• 1s2 2s2 2p6 3s3

What is the valency of a sodium atom?

• 0

• 3

• 2

• 1

Explain the atomic structure of a sodium atom.

• 11 protons, 11 electrons, and 12 neutrons

• 10 protons, 11 electrons, and 12 neutrons

• 11 protons, 10 electrons, and 12 neutrons

• 12 protons, 11 electrons, and 11 neutrons