Answer:

Explanation:
The name tells you that this is a binary compound (contains two elements).
It contains a metal and a nonmetal, so it is a binary ionic compound. The general rule is:
Name of compound = name of metal name of ion (two words)
Name of metal = tin(IV), so the tin ion has a charge of 4+
Name of ion = bromide. Br is in Group 17, so bromide ion has charge of 1-.

Homogeneous has the same proportion of its own components throughout in any given samples while heterogeneous has components in which proportion aren’t the same they are vary throughout the sample
Answer:
Atomic number= 8
Atomic mass= 16
Explanation:
You can determine the atomic number by counting the number of protons. Atomic mass is determined by adding the protons and neutrons together.
Hope this helps!