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