Chemistry - Chapter 03: Why elements react to form compounds?
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11 Terms
What is the name of the highest energy level?
Outermost electron shell
What is ionic called
elements that react to become stable
what holds the elements in compounds
chemical bonds
two ways chemical bonds can be formed
lose or gain electrons and sharing electrons
why does a sodium sign Na+ after losing an election
There is one more proton in the nucleus
why does a chlorine sign Cl- after losing an election
Because chlorine has one more electron than proton
ionic compound
those made from ions
When you get MgCl2 as an ionic compound, why does it says it
two chlorine are used for the compounds
how many more electrons for group 1 to make a full shell
-1 more
how many more electrons for group 7 to make a full shell
1 more
what determines losing or adding an election
closest to number of protons