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1. Suppose atom 1 has the same number of protons as atom 2, and atom 2 has the s

ID: 863544 • Letter: 1

Question

1. Suppose atom 1 has the same number of protons as atom 2, and atom 2 has the same number of neutrons as atom 3. Atom 1 does not have the same number of neutrons as atom 3. Which of the following statements is true?

Atom 2 must have the same number of neutrons as atom 1.

Atom 3 must have the same number of protons as atom 1.

Atoms 1 and 3 must be isotopes.

Atom 3 must have the same number of protons as atom 2

Atoms 1 and 2 must be isotopes.

a.

Atom 2 must have the same number of neutrons as atom 1.

b.

Atom 3 must have the same number of protons as atom 1.

c.

Atoms 1 and 3 must be isotopes.

d

Atom 3 must have the same number of protons as atom 2

e.

Atoms 1 and 2 must be isotopes.

Explanation / Answer

Atoms 1 and 3 must be isotopes.

c.

Atoms 1 and 3 must be isotopes.

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