Answer:
beryllium has a higher ionization energy because its radius is smaller. boron has a higher ionization energy because its radius is smaller.
Answer:
The answer is SiO2
Explanation:
Silocon dioxide is written without a 1 after the silocon and with a 2 after the oxygen.
M=70.0 g
p=0.70 g/mL
v=m/p
v=70.0/0.70=100.00 mL
They both have two electron shells. Period indicates number of shells.