Gacha studio was made June 3 2017
I'm guessing it's "low". For Listia, right?
Atomic radii INCREASES when going DOWN a group because of more energy levels and DECREASES going ACROSS a group because of the increasing positive charge of the nucleus pulling in on the electrons.
Feet............................................
Answer:
valance electrons
Explanation:
the lines between the atoms represent the number of valance electron. simple isn't it.
