Answer:
4
Explanation:
Carbon configuration- 2,4
Valence electrons means the outershell electrons
That means valence electrons=4
The lighted half of the moon faces away from the earth during the New Moon phase
The pairs are:
K, Kr - Same period
Be, Mg - Same group
Ni, Tc - Both are transition metals
B, Ge - Both are metaloids
Al, Pb - Both form inert oxides
Answer:
41.9 g/ mol hope that helps you out
Explanation:
d=p.m/ r.t
