Atomic Mass Exploration
Explore the basic concepts of atomic mass, including protons, neutrons, and electrons, for 6th-grade science.
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Atomic Mass Exploration
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Read each question carefully and answer to the best of your ability. This worksheet will test your understanding of atomic mass and the particles that make up an atom.
1. The center of an atom is called the .
2. Particles with a positive charge in an atom are called .
3. Particles with no charge in an atom are called .
4. Particles with a negative charge in an atom are called .
5. The atomic mass of an atom is mainly determined by the number of and .
6. Which of the following particles has the least amount of mass?
Proton
Neutron
Electron
Nucleus
7. Where are protons and neutrons located in an atom?
Electron cloud
Nucleus
Orbitals
Shells
8. The atomic mass of an atom is primarily determined by the electrons.
True
False
9. All atoms of the same element have the same number of protons.
True
False
10. Explain why electrons are not typically included when calculating the atomic mass of an atom.