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2 cards from this section. Quick, good the night before a test.
Calculate the number of electrons which weigh one gram.
Use the mass of an electron to find the answer.
What is the mass of one mole of electrons?
Multiply the number of electrons by the mass of one electron.
What charge does an electron possess?
Think about the fundamental properties of subatomic particles.
True or False: Protons and neutrons weigh the same.
Recap the masses of subatomic particles.
Explain why hydrogen only has one electron and how that affects its atomic structure.
Consider the role of protons and electrons in defining atomic behavior.
Consider a sodium atom that gains an electron. What changes occur?
Think about how adding electrons affects overall charge and stability.
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