Which of the following elements in group 1 of the periodic table has the smallest atomic radius?
a. li
c. na
b. k
d. rb

What must happen before a body cell can begin mitotic cell division

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?