There will be one magnesium (Mg), two bromine (Br), three potassium (K), one hydrogen (H) and one oxygen (O).
So a total of 8 atoms.
Which compound
This compound is not known.
It varies with the compound.
two atoms
5 atoms, 1 compound.
3
depends on the type of compound sugar
depends on the type of compound sugar
A compound containing potassium and oxygen atoms would have a formula of K2O, and would be named potassium oxide. This is a binary ionic compound.
57678
4
3