Question

An alpha particle contains
a. 4 positive charge and 2 mass unit
b. 2 positive charge and 4 mass unit
c. 2 positive charge and 2 mass unit
d. positive charge and 4 mass unit
Explain too

Answer 1

ur answer is c)

Alpha particles (a) are composite particles consisting of two protons and two neutrons tightly bound together (Figure 1). They are emitted from the nucleus of some radionuclides during a form of radioactive decay, called alpha-decay