Electron Configuration and the periodic table true and false questions?

Classify each statement as true or false:

1. The highest principal quantum number of period 2 element is 2.

2. Period 4 elements have an inner electron configuration of [Ar]

3. The valence electrons of groups 5A elements are in the 6s subshell.

4. Group 8A elements have completely full outer principal shells.

5. Period 5 elements have an inner electron configuration of [Xe]

6. The valence electrons of group 2A elements are in an s subshell.

7. The highest principal quantum number of period 3 element is 4

8. Period 3 elements have six 2p electrons

Question

Logan Li

Chemistry

19 March, 03:09

Electron Configuration and the periodic table true and false questions?

Classify each statement as true or false:

1. The highest principal quantum number of period 2 element is 2.

2. Period 4 elements have an inner electron configuration of [Ar]

3. The valence electrons of groups 5A elements are in the 6s subshell.

4. Group 8A elements have completely full outer principal shells.

5. Period 5 elements have an inner electron configuration of [Xe]

6. The valence electrons of group 2A elements are in an s subshell.

7. The highest principal quantum number of period 3 element is 4

8. Period 3 elements have six 2p electrons

+1

Answers (1)

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Fry · Answer 1

1. The highest principal quantum number of period 2 element is 2.

False

2. Period 4 elements have an inner electron configuration of [Ar]

True

3. The valence electrons of groups 5A elements are in the 6s subshell.

False

4. Group 8A elements have completely full outer principal shells.

True

5. Period 5 elements have an inner electron configuration of [Xe]

False

6. The valence electrons of group 2A elements are in an s subshell.

True

7. The highest principal quantum number of period 3 element is 4

False

8. Period 3 elements have six 2p electrons

True