What’s the answer to this
2 answers:
Answer:
B and D as well
Explanation:
All the electronic configuration of the elements of B end on s sub shell.
S energy level sub shell can hold 2 electrons and since Be, Mg, Ca Sr end in s.
We can say, they have same valence electrons, i.e 2 electrons.
Answer:
<h2>B)</h2><h2>D)</h2>
Explanation:
<h2>The elements given in V and D have the same number of occupied energy levels.</h2>
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It is clean and is blue when you take away air hope i helped.
no. of moles=mass/molar mass
=97.3/18
=<u>5.40555555556 moles</u>
Answer:the answer is C
Explanation:
