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6 questions
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  • Q1

    Which phrase describes the different isotopes of an element?

    B. Same number of protons and a different number of electrons.

    A. Same number of electrons and a different number of protons.

    C. Same number of protons and a different number of neutrons.

    D. Same number of neutrons and a different number of protons.

    60s
  • Q2

    Which ion has the greatest mass?

    Question Image

    A. A

    D. Z

    B. E

    C. G

    30s
  • Q3

    Which statement describes two different isotopes of carbon?

    B. The isotopes contain the same number of neutrons but have a different atomic number.

    C. The isotopes contain a different number of neutrons but have the same atomic number.

    D. The isotopes contain a different number of neutrons and have a different atomic number.

    A. The isotopes contain the same number of neutrons and have the same atomic number.

    30s
  • Q4

    Which element is listed with the number of protons in each of its atoms?

    C. oxygen, 16

    D. phosphorus, 16

    B. silicon, 14

    A. nitrogen, 14

    30s
  • Q5

    A potassium atom has a mass number of 37. What is the number of neutrons in this atom?

    C. 22

    D. 37

    B. 18

    A. 15

    30s
  • Q6

    Which phrase describes the different isotopes of an element?

    D. Same number of neutrons and a different number of protons.

    C. Same number of protons and a different number of neutrons.

    A. Same number of electrons and a different number of protons.

    B. Same number of protons and a different number of electrons.

    60s

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