Chemistry worksheet answer key focusing on atomic structure and subatomic particles.

Answer key for a chemistry worksheet on atomic structure, including questions about subatomic particles, atomic number, mass number, and a table to fill in proton, electron, neutron, and mass number values for different atoms.

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Show Answer Key & Explanations Step-by-step solution for: Structure of an Atom (Video, FAQs & Worksheets)

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1. (a) nucleus
(b) Protons
(c) Electrons
(d) Neutrons
(e) Protons and neutrons
(f) shells
(g) protons and neutrons

2. (a) 54
(b) 124
(c) 54
(d) Xenon

3. Atom 1: Protons 30, Electrons 30, Neutrons 20, Mass Number 50
Atom 2: Protons 26, Electrons 26, Neutrons 24, Mass Number 50
Atom 3: Protons 44, Electrons 44, Neutrons 26, Mass Number 70
Atom 4: Protons 12, Electrons 12, Neutrons 18, Mass Number 30
Atom 5: Protons 37, Electrons 37, Neutrons 43, Mass Number 80
Atom 6: Protons 19, Electrons 19, Neutrons 11, Mass Number 30

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