Answer:
Option A = 1:1
Explanation:
The atoms of calcium and sulphur when react their ration is 1:1. The charge on calcium is +2 and on sulphur is -2.
Ca⁺²S⁻²
The +2 and -2 charges are cancel out and overall charge will be zero.
CaS
so their atomic ratio will be 1:1
the answer is D. because a topographic map measures the lowest and highest points in a certain place
Hope this helps
Electrons, everything is pretty much based around the likeliness of electrons to be swapped or shared between atoms
The answer is B) gain 8 electrons
