Answer:
The chemical formula of diphosphorus monoxide is OP2.
I'm not sure if this is correct, but hope it helps! :)
Answer:
the time required for one half of a sample of a radioisotope to decay
Answer:
second option and last option
Explanation:
Know how to do an electron configuration. This is correct because it adds up to 8 and is in the correct order.
All valence electrons are in the last shell. In this case, 2p is the last shell.
S orbital can hold 2
P can hold 6
D can hold 10
F can hold 14
It is usually neutral becase its is close to neutral number 7