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The number of electrons in the outer shell of an atom determines how that element wil _______
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The valence electron is the number of electron in the outer most shell which is responsible for chemical reaction. Generally, atoms react to complete their outer most shell.
For example, Chlorine (Cl) has a valence of 7 electrons. Since we know that its valence is 7, we can assume that it only needs 1 electron to complete its shell. Remember that in chemical bonding, the elements should follow the octet rule.
So the number of electrons in the outer most shell of an atom determines how that element will react.
The number of electrons in the outer shell of an atom determines how that element will react
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