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