Ionic and Elementary Charge Concepts

The video tutorial introduces the concepts of electricity and magnetism, focusing on electrostatics. It explains the structure of atoms, highlighting the roles of protons, electrons, and neutrons. The video discusses electrostatic forces, charge interactions, and the conservation of charge. Practical examples, such as rubbing a balloon on hair, illustrate these concepts. The tutorial concludes with an introduction to elementary charge and charge quantization.

What particles are found in the nucleus of an atom?

• Electrons and protons

• Electrons only

• Protons and neutrons

• Neutrons and electrons

What happens when opposite charges are near each other?

• They form a new charge

• They remain neutral

• They attract each other

• They repel each other

What is the net charge of a lithium atom with three protons and three electrons?

• Positive

• Negative

• Zero

• Depends on the environment

What is formed when a lithium atom loses an electron?

• An electron cloud

• A chlorine ion

• A neutral atom

• A lithium ion

What type of compound is formed between a lithium ion and a chlorine ion?

• Hydrogen bond

• Metallic compound

• Ionic compound

• Covalent compound

What happens to a balloon when it is rubbed on hair?

• It changes color

• It becomes neutral

• It gains electrons

• It loses electrons

What charge does a glass rod acquire when rubbed with a silicon cloth?

• Neutral

• Positive

• No charge

• Negative

What is the symbol used to represent an elementary charge?

• E

• Q

• C

• A

What is the value of an elementary charge in coulombs?

• 1.602 x 10^19 C

• 1.602 x 10^-9 C

• 1.602 x 10^9 C

• 1.602 x 10^-19 C

In quantum mechanics, how is charge described?

• As quantized

• As variable

• As continuous

• As infinite