On the periodic table, which groups of elemen tend to positive ions? A. Group 1 and Group 2 B. Group 16 and Group 17 C. Group and Group 14 Group 16 and Group18

b..

is the correct one

explanation:

covalent bonds form as valence electrons are shared between two atoms. lewis structures and structural formulas are common ways of showing the covalent bonding in organic molecules. formal charge describes the changes in the number of valence electrons as an atom becomes bonded into a molecule.

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year