The answer is predict, because it fits, and because someone can predict the outcome of something.
The answer is because they are magnetic B.
Answer:
Explanation:
The formula of calcium nitride is Ca₃P₂.
The masses of each element are:

So, there are 61.94 g of P in 182.18 g of Ca₃P₂.
In 500 g of Ca₃P₂:

There are
in 500.0 g of Ca₃P₂.