A) Actinium B) uranium C) thorium D) samarium E) lathanium
A) erbium B) sodium C) neptunium D) radium E) lathanium
A) atomic number B) electrons C) mass number D) protons E) neutrons
A) alpha B) positron C) beta D) electron capture E) gamma
A) electrons and neutrons B) protons only. C) electrons D) protons and electrons E) protons and neutrons
A) Fission B) fusion C) degradation D) half -life E) regression
A) 2 protons B) 3 protons C) 4 protons D) 6 protons E) 5 protons
A) fermium B) thorium C) nobelium D) neptunium E) the same element
A) alpha decay B) beta decay C) gamma decay D) positron emission E) transfer of electrons
A) Both atomic mass and atomic number will change. B) Atomic mass will change. C) atomic mass and atomic number remains the same. D) atomic number will change, but atomic mass will not change. E) atomic number will change.
A) Neutron emission B) Alpha particle C) Gamma ray D) Electron capture E) Beta particle
A) 15.8 mg B) 33.0 mg C) .33 mg D) 15 mg E) 12.5 mg
A) 2.5g B) 50 mg C) 80g D) 0.25g E) 25g
A) Nucleus changes to become stable B) Nucleus is unstable due to uneven proton to neutron ratio C) All options listed. D) Emits radioactive particles E) Atom emits radiation
A) Half-life B) Full-life C) Dead time D) Nuclear fusion E) Zero life
A) Neither option listed. B) An entirely different element. C) different isotope of the same element. D) Both options listed.
A) nuclear mass B) isotopes C) nuclide D) nuclear decay E) radon
A) Two hydrogen atoms bond with an oxygen atom to form a water molecule B) Two hydrogen atoms are combined to form a helium atom C) A uranium atom is split apart into lighter elements D) A plutonium atom is used to start a chain reaction that detonates a nuclear weapon
A) positron B) electron capture C) alpha D) Beta E) gamma
A) neutralization B) decomposition C) fusion reaction D) Combustion E) Fission reaction
A) 25.0% B) 6.25% C) 12.5% D) 3.125%
A) gamma particle B) Beta particle C) neutron D) alpha particle
A) 10Ne5 B) 6C3 C) 6Li3 D) 10B5
A) electron capture B) positron C) alpha D) gamma E) Beta decay
A) 50Y22 B) 48Y20 C) 46Y22 D) 54Y26 |