Science
Which one of the following is a correct electronic configuration of Sodium?
- 2, 8
- 8, 2, 1
- 2, 1, 8
- 2, 8, 1
Related Questions
Rutherford's alpha–particle scattering experiment was responsible for the discovery of
- Atomic nucleus
- Electron
- Proton
- Neutron
Isotopes of an element have
- The same physical properties
- Different chemical properties
- Different number of neutrons
- Different atomic numbers
Number of valence electrons in Cl- ion are
- 16
- 8
- 17
- 18
Complete the following table.
Atomic Number Mass Number Number of Neutrons Number of Protons Number of Electrons Name of the Atomic Species 9 10 16 32 Sulphur 24 12 2 1 1 0 1 0