The meaning of observations to see small touch
Answer:
D
Explanation:
beacause all the elements in period 3 has different valence electrons hence you look at the first element in period 3 is sodium which has a valence electron of 1 when you go across the period to the right their valence electron decreases to be negative
D) The broadest group of organization is known as the domain.
7 is atomic symbol 9 is atomic density 8 is the atomic number
Answer:
eletrons
Explanation:
eletrons is not in the neuclus its around it
