Atomic Configuration And Periodic Shell Development Practice Tests

Question 1

If an atom has a total electron count $N = 2$, determine the number of electrons in the first shell and state if the shell is full.

Accepted Answer

2 electrons, full

Question 2

For an element with atomic number $Z = 2$, calculate the number of valence electrons. If the total number of electrons is $N = Z$, which configuration is correct?

Accepted Answer

Option A

Answer

Option B

Answer

Option C

Answer

Option D

Question 3

True or False: An atom with $Z = 1$ has a partially filled first shell.

Accepted Answer

True

Answer

False

Question 4

Calculate the number of electrons in the second shell for an atom with atomic number $Z = 5$.

Accepted Answer

3

Question 5

Given an atom with $Z = 6$, determine the distribution of electrons between the first and second shells.

Accepted Answer

Option A

Answer

Option B

Answer

Option C

Answer

Option D

Question 6

Which of the following elements have electrons in the second shell? Select all that apply.

Accepted Answer

Option A

Answer

Option B

Answer

Option C

Answer

Option D

Question 7

If an atom has $N = 9$ electrons, calculate the number of valence electrons in the second shell.

Accepted Answer

7

Question 8

An atom has a stable configuration with a full valence shell containing 8 electrons. If the first shell is also full, calculate the total atomic number $Z$.

Accepted Answer

Option A

Answer

Option B

Answer

Option C

Answer

Option D

Question 9

True or False: Nitrogen ($Z=7$) has more electrons in its second shell than Lithium ($Z=3$).

Accepted Answer

True

Answer

False

Question 10

Determine the number of valence electrons for an element with $Z = 8$.

Accepted Answer

Option A

Answer

Option B

Answer

Option C

Answer

Option D

Question 11

If an atom has a total electron count $Z = 10$, calculate the number of electrons residing in the second shell ($n=2$).

Accepted Answer

8

Question 12

Given an element with $Z=6$, determine the number of electrons in the $2p$ orbital subshell.

Accepted Answer

Option A

Answer

Option B

Answer

Option C

Answer

Option D

Question 13

The element with $Z=18$ (Argon) possesses a total of 3 electron shells that are completely filled.

Accepted Answer

True

Answer

False

Question 14

Calculate the number of neutrons in an atom of Potassium ($Z=19$) if its mass number $A$ is 39. Use the formula $N = A - Z$.

Accepted Answer

20

Question 15

Which of the following elements have exactly 1 electron in their outermost shell?

Accepted Answer

Option A

Answer

Option B

Answer

Option C

Answer

Option D

Question 16

For an atom of Calcium ($Z=20$), determine the principal quantum number $n$ of the highest energy occupied orbital.

Accepted Answer

Option A

Answer

Option B

Answer

Option C

Answer

Option D

Question 17

If an atom has 2 electrons in the $n=1$ shell, 8 in the $n=2$ shell, and 5 in the $n=3$ shell, identify the atomic number $Z$.

Accepted Answer

15

Question 18

Compare the valence electron count of Magnesium ($Z=12$) and Calcium ($Z=20$). Which statement is mathematically correct regarding their valence shells?

Accepted Answer

Option A

Answer

Option B

Answer

Option C

Answer

Option D

Question 19

The maximum capacity of the second energy shell ($n=2$) is calculated by the formula $2n^2$, resulting in 8 electrons.

Accepted Answer

True

Answer

False

Question 20

Determine the total number of electrons in the $p$ orbitals for an atom of Sulfur ($Z=16$).

Accepted Answer

10

Atomic Configuration And Periodic Shell Development Practice Tests

Practice Tests

Atomic Configuration and Periodic Shell Development

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