2 years ago

What’s the answer to this

Chemistry

2 answers:

Svetllana [295]2 years ago

6 0

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.

Evgesh-ka [11]2 years ago

4 0

Answer:

Explanation:

<h2>The elements given in V and D have the same number of occupied energy levels.</h2>

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