AnswersISP ONLY Chemistry S1 Q3000XXAtomic Numbers and Electron Configurations

Atomic Numbers and Electron Configurations Answers

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1
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1: n = 2, l = 0 2p: [___]

Answer:

4

2
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Which of the following sets of quantum numbers describe valid orbitals? Check all that apply.

A
n = 1, l = 0, m = 0
B
n = 2, l = 1, m = 3
C
n = 2, l = 2, m = 2
D
n = 3, l = 0, m = 0
E
n = 5, l = 4, m = –3
F
n = 4, l = –2, m = 2
3

Type in the maximum number of electrons that can be present in each shell or subshell below.n = 5 shell:

Answer:

50

4

Which diagram shows the correct electron configuration for nitrogen (N)?

A
Option
B
Option
C
Option
5

1s22s22p6:

Answer:

Ne

6

B: 1s2 2sA2pBA =

Answer:

2

7

Na: 1s22sC2pD3sEC =

Answer:

2

8

The electron configuration for aluminum (Al) is shown below:1s22s22p63s23p1Which diagram shows the correct distribution of electrons in the electron shells of an aluminum atom?

A
Option
B
Option
C
Option
D
Option
9

Type in your answer below.

Answer not available
10

Which diagram shows the correct electron configuration for fluorine (F)?

A
Option
B
Option
C
Option
11

Did your answer include at least one of the items listed in each category below?

Answer not available
12

What rule/principle states that electrons in the same sublevel (p, d, or f) are placed in individual orbitals, before they are paired up, to increase atomic stability?

A
Aufbau principle
B
Hund’s rule
C
Pauli exclusion principle
13

For the n = 3 electron shell, which of the following quantum numbers are valid? Check all that apply.

A
l = 3
B
m = 3
C
l = 0
D
m = –2
E
l = –1
F
m = 2
14

Which of the following sets of quantum numbers describe valid orbitals? Check all that apply.

A
n = 1, l = 0, m = 0
B
n = 2, l = 1, m = 3
C
n = 2, l = 2, m = 2
D
n = 3, l = 0, m = 0
E
n = 5, l = 4, m = –3
F
n = 4, l = –2, m = 2
17

3: n = 1, l = 0 2s: [___]

Answer:

1

18

1: n = 2, l = 0 2p: ⇒ 4 2: n = 3, l = 2 3d: 3: n = 1, l = 0 2s: ⇒ 1 4: n = 2, l = 1 4f: ⇒ 5 5: n = 4, l = 3 1s: ⇒ 3

Answers:
⇒ 4:2s
Part 2:2
⇒ 1:3
⇒ 5:4
⇒ 3:5
19

2: n = 3, l = 2 3d: [___]

Answer:

2

20

4: n = 2, l = 1 4f: [___]

Answer:

5

21

5: n = 4, l = 3 1s: [___]

Answer:

3

38

Which diagram shows the correct electron configuration for nitrogen (N)?

A
A group of five short lines. The first line has an up and a down arrow above it and is labeled 1 s below. The second line has an up and a down arrow and is labeled 2 s. The third arrow has an up and a down arrow; the fourth has an up arrow only, and the third has no arrows. The third, fourth, and fifth lines are bracketed with the label 2 p.
Option A
B
A group of five short lines. The first line has an up and a down arrow above it and is labeled 1 s below. The second line has an up and a down arrow and is labeled 2 s. The third, fourth, and fifth lines each have an up arrow and are bracketed with the label 2 p.
Option B
C
A group of five short lines. The first line has an up and a down arrow above it and is labeled 1 s below. The second line has an up and a down arrow and is labeled 2 s. The third and fourth lines each have an up arrow; the fifth line has a down arrow. The third, fourth, and fifth lines are bracketed with the label 2 p.
Option C

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