, 26.12.2019brucewayne390

# Which of these periods contain elements with electrons in s, p, d, and f orbitals? a. periods 1–3 b. periods 1-4 c. periods 3-5 d. periods 6-7

The answer would be periods 6-7 :)
I think the correct answer from the choices listed above is option D. The periods that would contain elements with electrons in s, p, d, and f orbitals are  periods 6-7. Hope this answers the question. Have a nice day. Feel free to ask more questions.

The periods that would contain elements with electrons in s, p, d, and f orbitals are periods 6-7

Explanation:

I learnt k,l,m

Explanation:

so 1-3periods have klm and after that klmn

option D. periods 6-7.

Explanation:

1) Period 1 has two elements. Those are the elements with 1 and 2 electrons. They, then, fill the two 1s orbitals.

⇒ Only s orbitals.

2) Periods 2 and 3, contain 8 elements each.

The 8 elements on the period 2 fill the two 2s and the six 2p orbitals.

The 8 elements on the period 3 fill the two 3s and the six 3p ortitals.

⇒ Only s and p orbitals.

3) The periods 4 and 5 contains 18 elements each.

The 18 elements of period 4 fill the two 4s orbitals, the ten 3d orbitals, and the six 4p orbitals.

The 18 elements of period 5 fill the two 5s orbitals, the ten 4d orbitals, and the six 5p orbitals.

⇒ Only s, p, and d orbitals.

4) The periods 6 and 7 have 32 elements each.

The 32 elements in period 6 fill the two 6s orbitals, the ten 5d orbitals, the fourteen 4f orbitals, and the six 6p orbitals.

The 32 elements in the period 7 fill the two 7s orbitals, the ten 6d orbitals, the fourteen 5f orbitals, and the six 7p orbitals.

So, the only elements that contain electrons in s, p, d, and f orbitals are those of period 6 and 7.

I think the answer is D. Periods 6-7, Because the periods that would contain elements with electrons in s, p, d, and f orbitals are periods 6-7.

(I hope this helps you a lot! :) Have a nice day!)

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