28. magnesium bromide is a binary ionic compound. from its formula, mgbr₂, how do you know that mg is the metal?

A metal is always the first element in a binary ionic compound.

Explanation:

Explanation:

Hello!

Let's solve this!

In this case it is an ionic union, where the metals are the ones that give up electrons and the nonmetals are the ones that accept electrons.

In this case the element that gives up electrons is Magnesium.

In addition, if we look at the periodic table it is in the groups of metals and Bromine is in the part of nonmetals.

So we can check it without mistake.

answer: i don't know

explanation:

you need to provide a picture, otherwise i can't tell you.

if you can provide one, i'd be more than happy to you with this!

it cools slower in the earth meaning the crystals have more time to form than lava on the surface