What determines the properties of elements? Please help!

What determines the properties of elements?

A.) The number of electron shells

B.) The number of electrons that fill the outer shell

C.) The total number of electrons

D.) The average atomic mass

E.) The number of neutrons

1 Answer
Mar 11, 2018

B

Explanation:

The electrons in the outermost shell determine the valency of the the element, providing us with the ability to get a measurement on the combining power of the element when it reacts with other elements to form chemical compounds.