Identify X in the Reaction Below

Q70: Which of the following has an atomic

Q71: Which of the following particles has a

Q72: When radium-226 is converted to radon-222 _.<br>A)

Q73: Which of the following is not a

Q74: Nuclear radiation is harmful because of _.<br>A)

Q76: Which of the following does not carry

Q77: The atomic number of a neutron is

Q78: 13C is the carbon isotope used for

Q79: How long will it take for a

Q80: If nuclear energy is released all at