Atomic number, mass number, isotopes

How is the atomic number represented in relation to the chemical symbol of an element?

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What defines isotopes of an element?

• Same number of protons, different number of neutrons

• Different number of protons, same number of neutrons

• Same number of protons, same number of neutrons

• Different number of protons, different number of neutrons

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Which of the following describes Carbon-14?

• 6 protons, 6 neutrons

• 6 protons, 7 neutrons

• 6 protons, 8 neutrons

• 8 protons, 6 neutrons

What is a nucleon?

• An electron or a proton

• A proton or a neutron

• An electron or a neutron

• A proton, neutron, or electron

What are isobars?

• Atoms of the same element with different atomic masses

• Atoms of different elements with the same atomic mass

• Atoms of the same element with the same atomic number

• Atoms of different elements with different atomic numbers