Answers26-27 CFISD TX-Chemistry A CRAtomic Numbers and Electron Configurations

Atomic Numbers and Electron Configurations Answers

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Match each set of quantum numbers to the correct subshell description by typing in the correct number. 1: n = 2, l = 0 2p: 2: n = 3, l = 2 3d: 3: n = 1, l = 0 2s: 4: n = 2, l = 1 4f: 5: n = 4, l = 3 1s:

Answers:
Blank 1:4
Blank 2:2
Blank 3:1
Blank 4:5
Blank 5:3
2
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2: n = 3, l = 2 3d: [___]

Answer:

3d

3

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

Answer:

1s

4

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

Answer:

2p

5

Question text not available

Answer:

3

6

2s subshell:

Answer:

2

7

5f subshell:

Answer:

14

8

Match each set of quantum numbers to the correct subshell description by typing in the correct number. 1: n = 2, l = 0 2p: 2: n = 3, l = 2 3d: 3: n = 1, l = 0 2s: 4: n = 2, l = 1 4f: 5: n = 4, l = 3 1s:

Answers:
Blank 1:50
n = 2 shell::8
3d subshell::10
2s subshell::2
5f subshell::14
9

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

A
Option
Option A
B
Option
Option B
C
Option
Option C
10

1s22s22p6:

Answer:

PENDING

11

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
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
12

What rule/principle states that electrons fill orbitals from lowest energy to highest energy?

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

Type in your answer below.

Answer:

The main idea of the passage is developed through the use of specific details and evidence that support the author's claim. By analyzing how these elements work together, the reader can gain a deeper understanding of the subject matter and the author's purpose in writing the piece. This analysis highlights the logical connections between the evidence presented and the conclusions drawn by the author.

14

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

A
Dot structures make it easy to count electrons and they show the number of electrons in each electron shell.
B
Arrow and line diagrams show the spin of electrons and show every orbital.
C
Written configurations require minimal space and show the distribution of electrons between subshells.
15

B: 1s2 2sA2pBA =

Answers:
B: 1s2 2sA2pBA =:2
B =:1
16

Na: 1s22sC2pD3sEC =

Answer:

PENDING

17

n = 2 shell:

Answer:

8

18

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

A
Option
Option A
B
Option
Option B
C
Option
Option C
19

1s22s22p63s23p3:

Answer:

P

20

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

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