Question 1

According to the formula $$2n^2$$, how many electrons can be held in the 5th shell of an atom?

Accepted Answer

50

Question 2

A certain element has electrons filling up to the 3rd shell. What is the maximum number of electrons this element can theoretically possess?

Accepted Answer

18

Question 3

If an atom has 4 energy levels, what is the total maximum number of electrons it can hold?

Accepted Answer

110

Question 4

Which equation is used to determine the maximum number of electrons in a given shell, where $$n is $$the shell number?

Accepted Answer

$$2n^2$$

Question 5

How many electrons can be found in the 7th shell of an atom?

Accepted Answer

98

Question 6

A medical imaging technique uses an element with electrons in the 6th shell. What is the maximum number of electrons that can be found in this shell?

Accepted Answer

72

Question 7

If the 2nd shell of an atom is completely filled, how many electrons does it contain?

Accepted Answer

8

Question 8

A chemist is analyzing an atom with electrons in the 1st, 2nd, and 3rd shells. What is the total maximum number of electrons this atom can have?

Accepted Answer

18

Question 9

Which of the following best explains why the maximum number of electrons increases with each shell?

Accepted Answer

The formula $$2n^2$$ shows that as $$n$$ increases, the number of possible electrons increases quadratically.

Question 10

If an atom has electrons in the 1st through 4th shells, what is the sum of the maximum electrons in all these shells?

Accepted Answer

110

Question 11

A new element is discovered with electrons filling up to the 8th shell. Using the formula $$2n^2$$, how many electrons can the 8th shell hold?

Accepted Answer

128

Question 12

Which shell would be filled after the 3rd shell in the order of increasing energy levels?

Accepted Answer

4th shell

Question 13

If a patient is exposed to an element with electrons in the 2nd and 3rd shells only, what is the maximum number of electrons this element can have?

Accepted Answer

16

Question 14

Which of the following statements is correct regarding the distribution of electrons in shells?

Accepted Answer

The maximum number of electrons in a shell is determined by $$2n^2$$, where $$n is $$the shell number.

Question 15

A scientist is studying an atom with electrons in the 5th shell. What is the maximum number of electrons that can be found in this shell?

Accepted Answer

50

Electron Capacity of Atomic Shells

Study Guide - Practice Questions