Question

Which type of radiation is identical in mass and charge to a helium nucleus?

a. beta
b. alpha
c. proton
d. positron

Answer 1

The correct answer is b.

Step-by-step explanation:

Alpha particles are fully ionized helium (4He) nucleus. These nucleus consist of two protons and two neutrons. They are positively charged (+2) due to the absence of electrons. It has the same mass as the He atom (6,64 *
`10^(-27)` kg) or (4 uma), and the same charge (3,2 *
`10^(-19)` C).

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Answer 2

The best answer to the question 'Which type of radiation is identical in mass and charge to a helium nucleus?' would be letter b. Alpha radiation is similar to the mass and charge to a helium nucleus. An alpha particle has two protons and two neutrons.