Unit Test

Question 1

Which sentences describe alpha particles? Check all that apply.

Revolt · Accepted Answer

A: Alpha particles consist of two protons and two neutrons.; C: Alpha particles are produced during alpha decay.; E: Alpha particles release energy.

Question 2

Which describe beta decay? Check all that apply.

Revolt · Accepted Answer

A: In beta decay, a proton becomes a neutron and a positron.; B: In beta decay, a neutron becomes a proton and an electron.; D: Beta decay releases energy.

Question 3

Which statements are true? Check all that apply.

Revolt · Accepted Answer

A: Alpha decay emits the same number of protons and neutrons.; E: Gamma rays are a form of electromagnetic radiation.

Question 4

Which describes isotopes? Check all that apply.

Revolt · Accepted Answer

B: Isotopes have the same atomic number.; E: Isotopes are stable or radioactive.; F: Isotopes have different mass numbers.

Unit Test Answers

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