Question

4. What explanation best describes how to use the valence electrons in an

atom to predict if the atom will form bonds
a. Valence electrons are the sum total of all the electrons in an atom. If the number
is low a bond will form and if it is high bonds will not form.
b. The number of valence electron in an atom is the same for any element in the
same group. Furthermore, that number is related to the group number for the main 8
families of the periodic table.
c. Mendeleev predicted all the valence electrons using his periodic law.
d. Valence electrons are only found in group 18 and they are the stable electrons
predicting then a lack of a reaction.

Answer 1

b. The number of valence electrons in an atom is the same for any element in the same group. Furthermore, that number is related to the group number for the main 8 families of the periodic table.