Atoms Practice Exam Question 2

The video tutorial explains the structure of an atom, focusing on nitrogen and oxygen. It covers the components of an atom, including protons, neutrons, and electrons, and their respective charges. The tutorial also details how to calculate the mass number by summing protons and neutrons. Finally, it guides viewers in identifying the correct electronic structure of an oxygen atom by analyzing diagrams and applying knowledge of atomic numbers and electron shells.

What is the charge of a neutron?

• Positive

• Negative

• Neutral

• Variable

How many protons are present in the nucleus of the nitrogen atom discussed?

• 7

• 5

• 6

• 8

What is the mass number of the nitrogen atom described?

• 15

• 14

• 12

• 13

How many electrons are in the first shell of an oxygen atom?

• 1

• 2

• 3

• 4

Which diagram correctly represents the electronic structure of an oxygen atom?

• Diagram D

• Diagram B

• Diagram A

• Diagram C