Question 1 (9 points) Listen An alpha particle is also known as a(n) nucleus. Helium Uranium Hydrogen Oxygen Question 2 (9 points) () Listen A beta particle is really just a(n): muon OO proton electron O neutronQuestion 3 (9 points) i Listen High energy radiation is also known as ____ radiation. gamma Uranium O alpha O beta Question 4 (9 points) ) Listen Radioactive atoms are unstable and are constantly giving off particles and energy to become stable. These particles and energy are called: O radiation O light radioactive half-lifelQuestion 5 {9 points] =I:I The number of protons of an atom is the: 0 atomic weight 0 atomic radius 0 atomic mass 0 atomic number Question 6 {9 points] =I:I The atomic mass of a particular isotope is the number of protons plus the number of: O positrons O Higgs-Eoson particles 0 neutrons O electrons Question 7 (9 points) Listen Atoms of the same element with different masses are called: C isotherms O isotopes O ions O isobars