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