Subatomic Particles and Atomic Numbers

The video tutorial explains how to determine the number of protons, neutrons, and electrons in an atom and how to draw atomic structure diagrams. It covers the basics of electron shells and provides step-by-step instructions for drawing diagrams of helium, beryllium, nitrogen, and boron atoms. The tutorial emphasizes the importance of understanding atomic numbers and mass to accurately depict atomic structures.

What are the three main subatomic particles found in an atom?

• Protons, Electrons, Photons

• Protons, Neutrons, Photons

• Protons, Neutrons, Electrons

• Electrons, Photons, Neutrons

How many electrons can the first shell of an atom hold?

• Eight

• Six

• Four

• Two

What is the atomic number of helium?

• 3

• 1

• 2

• 4

How many neutrons are present in a helium atom?

• Three

• Four

• One

• Two

What is the atomic number of beryllium?

• 4

• 2

• 5

• 3

How many electrons are in the second shell of a beryllium atom?

• Two

• One

• Three

• Four

What is the atomic number of nitrogen?

• 7

• 6

• 8

• 5

How many neutrons are present in a nitrogen atom?

• Seven

• Six

• Eight

• Five

What is the atomic number of boron?

• 3

• 4

• 5

• 6

How many electrons are in the second shell of a boron atom?

• One

• Two

• Three

• Four