Valence Electrons and Shells in Atoms Using the Periodic Table

This video tutorial from MooMooMath and Science explains valence electrons and how to use the periodic table to illustrate and diagram them. It covers the basics of atomic structure, including protons, neutrons, and electrons, and how electrons are arranged in shells. The video provides demonstrations using carbon and sulfur to show how to determine electron configurations and valence electrons. It also introduces the Lewis dot structure as a method to represent valence electrons. The tutorial concludes with a call to action to subscribe for more educational content.

What are the three main components of an atom?

• Protons, neutrons, and electrons

• Electrons, photons, and quarks

• Neutrons, quarks, and gluons

• Protons, neutrons, and photons

How are electron shells numbered?

• Only numerically

• Only alphabetically

• By atomic mass

• Numerically and alphabetically

What is the maximum number of electrons that the second shell can hold?

• 6

• 4

• 8

• 2

How many electrons does carbon have?

• 8

• 6

• 10

• 4

In which shell are the valence electrons of carbon located?

• Third shell

• First shell

• Fourth shell

• Second shell

What does the Lewis dot structure represent?

• The neutrons in the nucleus

• The protons in the nucleus

• The valence electrons around the atomic symbol

• The total number of electrons in an atom

How many valence electrons does sulfur have?

• 10

• 8

• 6

• 4

In which period is sulfur located on the periodic table?

• Period 4

• Period 2

• Period 1

• Period 3

How many electron shells does sulfur have?

• 2

• 1

• 4

• 3

What is the significance of the outermost shell in an atom?

• It holds the protons

• It is always full

• It contains the valence electrons

• It determines the atomic mass