Consider the reaction between hydrogen gas and bromine gas to form gaseous hydrogen bromide (HBr). If 7 moles of hydrogen gas are mixed with 5 moles of bromine gas, how many moles of each species will be present when the reaction goes to completion.

a electronegativity decreases beacuse the size of nucleus is bigger.

they are all solids.

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101