<span>I would say D AlCl3.
covalent bonding is when 2 or more elements share electrons (usually when nonmetals bond with nonmetals)
ionic bonding is when one element steals another's electrons (usually when nonmetals bond with metals)</span>
You can determine the number of electrons by valence electrons
For every 2 mole Mg we need 1 mole O2 ( based on the equation). since there is 4 mole Mg we need 2 mole O2. one mole O2 is 32 gram so 2 mole would be 64 grams.
Heat flows from high temperature to low temperature
Answer:
Group 13
Explanation:
"Y" is actually an element known as Indium on the periodic table and to be able to find out the group it belongs to,one has to first add up the numbers ,that is,2+8+18+18+3 which will give you answer of 49 so that when you check on the periodic table one will find that it belongs to group 13.
Hope It helps:)
