Which location of the moon relative to the sun and earth may produce a lunar eclipse? A)A
B)B
C)C
D)D

Its just C

Also because its infront of the sun

false

because it does not have the potential to be entirely used up

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8