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27 Jun 2020

Which of the following species can be represented by the configuration 1s22s22p6? 

Ne, Mg, Mg2+, Na

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Related questions

42) Which one of the following species has the electron configuration of 1s22s22p6?1. Na+2. O2-3. F-A) 1 and 2 onlyB) 1 and 3 onlyC) 2 and 3 onlyD) All of 1, 2, and 3E) Neither 1, 2, or 3PLEASE EXPLAIN, I WILL APPRECIATE IT.

Please help ASAP

Determine the redox reaction represented by the following cell notation.

Mg(s) ∣ Mg2+(aq) ∣∣ Cu2+(aq) ∣ Cu(s)

Cu(s) + Mg2+(aq) → Mg(s) + Cu2+(aq)

2 Mg(s) + Cu2+(aq) → Cu(s) + 2 Mg2+(aq)

Mg(s) + Cu2+(aq) → Cu(s) + Mg2+(aq)

2 Cu(s) + Mg2+(aq) → Mg(s) + 2 Cu2+(aq)

3 Mg(s) + 2 Cu2+(aq) → 2 Cu(s) + 3 Mg2+(aq)

How many electrons in an atom can have each of the following quantum number or sublevel designations?

(a) n = 2, l = 1, ml = 0

(b) 5s

(c) n = 4, l = 2

Write the full ground-state electron configuration for the following. (Type your answer using the format 1s2 2s2 2p6 for 1s22s22p6.)

(a) Co

(b) Mg

(c) K

Starting with the previous noble gas, write the condensed ground-state electron configuration of an atom of the following elements. (Type your answer using the format [Ar] 3d10 4s2 for [Ar]3d104s2.)

(a) scandium

(b) antimony

(c) silver

(d) lead

Please answer all. I'm so confused.

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