Engineering Board Exam Reviewer · Chemistry · medium

Which type of radiation has the greatest penetrating power?

1. Gamma rays
2. Alpha particles
3. Beta particles
4. Protons

Answer

A. Gamma rays

Solution

Alpha is stopped by paper, beta by aluminum, gamma requires thick lead or concrete.

More Chemistry questions

1. Gamma radiation consists of:
2. When 14C (Z = 6) undergoes beta-minus decay, the product nucleus is:
3. When 238U (Z = 92) emits an alpha particle, the product nucleus is:
4. In a standard reduction potential table, the species with the most positive E° is the:
5. In the reaction Zn + Cu2+ Zn2+ + Cu, which species is oxidized?
6. What is the oxidation number of nitrogen in NH3?
7. What is the oxidation number of chromium in K2Cr2O7?
8. What is the oxidation number of manganese in KMnO₄?
9. What is the oxidation number of sulfur in H2SO4?
10. What is the standard Gibbs free energy change for the Daniell cell reaction (n = 2, E°cell = 1.10 V)? (F = 96,485 C/mol)

All Chemistry Reviewer questions