X-rays are made up of ___.
A: electrons
B: protons
C: photons
D: Neutrons
A: electrons
B: protons
C: photons
D: Neutrons
举一反三
- Rutherford proposed ( ) by analyzing the results of the α particle scattering experiment A: Atomic nuclear structure model B: There are neutrons in the nucleus C: Electrons are part of atoms D: The nucleus is made up of protons and neutrons
- 以下属于直接电离辐射的是() A: X-rays B: γ-rays C: β-rays D: neutrons
- All atoms of a given element have the same __________. A: mass B: number of protons C: number of neutrons D: number of electrons and neutrons E: density
- X-rays and gamma rays can be used to detect and treat cancer ______.
- The idea that electricity cannot be created or destroyed may seem to imply that electrons and protons cannot be created or destroyed.