[Xe]6s2 4f10
[Xe]6s2 4f14 5d7
[Ne] 3s2 3p1
What’s the element name to each of them?

they are both synthetic elements

explanation:

d

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

if you need further assistance, let me know: )

~ trueboss72

level 4 to level 2 : ))