is this correct . Which particle has a negative charge?
A. Alpha particle
B. Positron
C. Neutron- Correct answer
D. Beta particle
2. Which particle has the same mass as an electron, but a positive electric charge?
A. Alpha particle
B. Gamma photon
C. Proton
D. Positron- Correct answer
3. Which of the following gives the correct order for energies of portions of the electromagnetic spectrum?
A. radio > visible light > gamma > ultraviolet > infrared
B. visible light > ultraviolet > infrared > radio > gamma
C. radio > infrared >ultraviolet > gamma > visible light
D. gamma > ultraviolet > visible light > infrared > radio- Correct answer
4. Which of the following affects the half-life of a radioactive sample?
A. The age of sample- Correct answer
B. The size of the sample
C. The temperature of the sample
D. None of these
5. Which of the following is commonly used to date rocks and fossils?
A. Carbon-14 dating
B. Uranium-235 dating
C. Potassium-40 dating
D. All of the above- Correct answer