Science Semester Review

Subatomic Particles, Atomic Mass, and Atomic Number-Justice

Subatomic Particles

Protons

A Proton is a subatomic particle with a positive charge


Neutrons

A Neutron is a subatomic particle with no charge


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Electrons

A Electron is a subatomic particle with a negative charge


Protons, Neutrons, and Electrons Video

Electrons, Protons And Neutrons | Standard Model Of Particle Physics

Atomic Mass

What is Atomic Mass?

The Atomic Mass is the mass of an atom of an element in the periodic table


Atomic Mass Video

Atomic Mass: Introduction

Atomic Number

What's is the Atomic Number?

The number of protons in the nuclear of an atom


Atomic Number = The Number of Protons

Atomic Number Video (includes Atomic Mass)

Atomic Number and Mass Number | Chemistry | the virtual school

Sooo What's the Difference Between Atomic Mass and Atomic Number

What's the Difference between Mass Number and Atomic Weight?

Test

1. What is the charge of a proton?

2. Where are neutrons located?

3. What does the Atomic Number equal?

4. Where can you find the atomic number

5. Do neutrons have a charge?

Test Answers

1. Protons have a positive charge

2. Neutrons are located in the nucleus of an atom

3. The Atomic Number equals the number of protons

4. You can find the atomic number in the upper right hand corner of the element box

5. No, neutrons do not have a charge

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