Answer:
sodium atom
Explanation:
the sodium ion loses a valence shell when it ionizes. The sodium atom retains this valence shell which adds to its radius
Answer:
A
Explanation:
B. That's a solid
C. Liquid is the only thing that can have viscosity
D. Not necessarily the case
Electronic configure = [He} 1s₂ , 2s₂ , 2p₂