Answer:
sodium=atomic number 11 it electronic configuration is ,K=2, L=8,M=1 Valence is 1
oxygen= atomic number 8 it electronic configuration is K=2, L=6 Valence is 2
iron= atomic number 26 it electronic configuration is K= 2 L= 8,M=8 N=6 Valence 2
Answer:
the mass of an object depends on inertia greater is the inertia greater will be the mass or vice versa
Explanation:
hope it help ^_^
Answer:
Number 1. The effective nuclear change of oxygen is greater that of fluorine.
A. Is balanced
B. Not balanced
C. Balanced
D. Not balanced