Which of the following statements concerning alpha decay is INCORRECT?
A)It involves nuclides with atomic number larger than 83 and mass number larger than 200.
B)It has great penetrating power,but little ionizing power.
C)It often leaves the nucleus in an excited state.
D)The atomic number decreases by two.
E)The alpha particle is made up of two protons and two neutrons.

Question

Quizplus · Accepted Answer

Alpha decay has great ionizing power but little penetrating power. This is because the alpha particle is relatively large and highly charged, so it ionizes matter quickly but loses energy rapidly as it travels through media.

Which of the Following Statements Concerning Alpha Decay Is INCORRECT