Answer:
The total number of electrons increases down the group, and this increases the strength of the intermolecular forces.
Explanation:
I took the test
is this in your text book
.
Ca - 63.546 g
2N - 28.014 g
2O3 - 96 g
Ca(NO3)2 = 187.56 g
187.56 g x 0.75 mol = 140.67 g
Hope this helps
a
commensalism
