Charge and Electric Forces Concepts

Mr. Fullerton introduces electric charges, explaining atomic structure, ions, and charge quantization. He details the concept of elementary charge and Coulombs, and demonstrates problem-solving with electric charges. The video concludes with additional resources for further learning.

What are the three main subatomic particles that make up an atom?

• Protons, Neutrons, and Photons

• Protons, Electrons, and Neutrons

• Electrons, Neutrons, and Photons

• Protons, Electrons, and Photons

What happens to an atom when it gains an electron?

• It becomes a negative ion

• It remains unchanged

• It becomes a neutral atom

• It becomes a positive ion

What is the SI unit of electric charge?

• Ohm

• Ampere

• Volt

• Coulomb

How many elementary charges are there in one Coulomb?

• 9.6 x 10^-13

• 3.2 x 10^-19

• 1.6 x 10^-19

• 6.25 x 10^18

What is the charge of a single proton?

• 0 C

• 3.2 x 10^-19 C

• -1.6 x 10^-19 C

• 1.6 x 10^-19 C

If an object has an excess of 6 x 10^6 electrons, what is its net charge?

• -3.2 x 10^-19 C

• 3.2 x 10^-19 C

• 9.6 x 10^-13 C

• -9.6 x 10^-13 C

What is the charge of an alpha particle?

• 6.4 x 10^-19 C

• 3.2 x 10^-19 C

• 1.6 x 10^-19 C

• 0 C

Which of the following is a valid quantity of excess electric charge?

• 3.2 x 10^-19 C

• 1.6 elementary charges

• 4.8 x 10^-19 C

• 6.25 elementary charges

What is the net charge on a magnesium ion that loses two electrons?

• 0 C

• 1.6 x 10^-19 C

• 3.2 x 10^-19 C

• 6.4 x 10^-19 C

Which of the following statements about charge quantization is true?

• Charge comes in discrete amounts

• Charge can be divided into any fraction

• Charge is not quantized

• Charge is always positive