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