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