A. Less than 1% of the alpha particles went un-deflected through the gold foil.
HORMONES ARE CHEMICAL SUBSTANCES SECRETED BY GLANDS
It would have 11 valance electrons.
Example/Explanation:
Say we are talking about groups 10. Group 10 would have 10 valance electrons because of the atom's electronic arrangement in the periodic table.
The first one is D hope it helps!
