Question 1 (5 points) According to periodic trends, arrange the following ions,

Question

Question 1 (5 points)

According to periodic trends, arrange the following ions, potassium, magnesium, and aluminum in order of increasing ionic size.

Question 1 options:

aluminum ion, potassium ion, and magnesium ion

aluminum ion, magnesium ion, and potassium ion

potassium ion, magnesium ion, and aluminum ion

Question 2 (5 points)

For a 1s orbital, respectively n = _____ and l = _____

Question 2 options:

0, 1

1,1

1, 0

2, 1

Question 3 (5 points)

How many subshells are found in the 2nd energy level or shell?

Question 3 options:

4

8

2

Question 4 (5 points)

For a 2p orbital, respectively n = _____ and l = _____

Question 4 options:

2, 2

2, 1

1, 2

2, 0

Question 5 (5 points)

What is the ground-state electron configuration of carbon?

Question 5 options:

1s22s32p1

1s22s12p3

1s22s22p2

Question 6 (5 points)

What is the electron configuration of a copper atom?

Question 6 options:

[Ar]4s23d9

Ar]4s13d10

[Ar]4s03d11

Question 7 (5 points)

During a UV-Visible spectroscopy experiment, a student notes 2 wavelength peak measurements at 580nm and 685nm. What region of the electromagnetic spectrum were these peaks observed?

Question 7 options:

ultra-violet region

visible region

both ultra-violet and visible region

Question 8 (5 points)

A set of quantum numbers are listed in the order n, l, ml, ms for an electron in an atom. Is the combination 4,0,1,- ½ acceptable?

Question 8 options:

Yes

No

Question 9 (5 points)

Due to periodicity, which of the following elements has chemical behavior similar to that of Oxygen?

Question 9 options:

carbon

sulfur

bromine

Question 10 (5 points)

Provide the element name with a ground-state electron configuration of 1s22s2p4

Question 10 options:

carbon

potassium

oxygen

aluminum ion, potassium ion, and magnesium ion

aluminum ion, magnesium ion, and potassium ion

potassium ion, magnesium ion, and aluminum ion

Explanation / Answer

1.aluminum ion, magnesium ion, and potassium ion

2.1, 0

3.4

4.2, 1

5.1s22s22p2

6.Ar]4s13d10

7.visible region

8.yes

9.sulfur

10.oxygen

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