Which subatomic particle is affected when energy is absorbed or released by the atom? (10th grade chemistry)

Light waves travel than sound waves.

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

Helium decays to form lithium. which equation correctly describes this decay?