Understanding Atomic and Subatomic Particles

Understanding Atomic and Subatomic Particles

Assessment

Interactive Video

Physics, Chemistry, Science

9th - 12th Grade

Practice Problem

Hard

Created by

Aiden Montgomery

FREE Resource

The video explores the world of atomic and subatomic particles, focusing on nuclear energy and the structure of atoms. It explains the concept of elements, isotopes, and the forces that hold atomic nuclei together. The video also covers the types of radioactive decay: alpha, beta, and gamma, and their implications. It concludes with a discussion on the stability of isotopes and the role of nuclear forces.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of nuclear energy?

The change in the nucleus of an atom

The movement of electrons

The formation of molecules

The stability of isotopes

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the atom contains most of its mass?

Electron cloud

Nucleus

Protons

Neutrons

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What defines the identity of an element?

Number of neutrons

Number of electrons

Number of protons

Mass number

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are isotopes of an element different?

Different atomic numbers

Different number of electrons

Different number of neutrons

Different number of protons

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What force holds the nucleus of an atom together?

Electromagnetic force

Strong nuclear force

Weak nuclear force

Gravitational force

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when the strong nuclear force is not sufficient?

The protons are repelled

The electrons are emitted

The nucleus undergoes radioactive decay

The atom becomes stable

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an alpha particle composed of?

Two protons and two neutrons

One proton and one neutron

One electron and one neutron

Two electrons and two protons

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