A radioactive element emits a particle from the nucleus of one of its atoms. The particle comprises two protons and two neutrons. The name of this process is called...?
(A) α-emission
(B) β-emission
(C) γ-emission
(D) Nuclear fission
✅ Correct Answer:α-emission
Comments
A radioactive element emits a particle from the nucleus of one of its atoms. The particle comprises two protons and two neutrons. The name of this process is called...?
In a liquid, some energetic molecules break free from the surface even when the liquid is too cold for bubbles to form. What is the name of this process...?
(A) Boiling
(B) Condensation
(C) Convection
(D) Evaporation
✅ Correct Answer:Evaporation
Comments
In a liquid, some energetic molecules break free from the surface even when the liquid is too cold for bubbles to form. What is the name of this process...?