A) uranium B) samarium C) lathanium D) thorium E) Actinium
A) radium B) sodium C) lathanium D) neptunium E) erbium
A) electrons B) protons C) atomic number D) neutrons E) mass number
A) positron B) beta C) electron capture D) gamma E) alpha
A) protons only. B) protons and electrons C) electrons and neutrons D) protons and neutrons E) electrons
A) half -life B) fusion C) regression D) degradation E) Fission
A) 5 protons B) 6 protons C) 4 protons D) 3 protons E) 2 protons
A) nobelium B) fermium C) thorium D) neptunium E) the same element
A) beta decay B) transfer of electrons C) positron emission D) alpha decay E) gamma decay
A) atomic mass and atomic number remains the same. B) atomic number 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 will change.
A) Alpha particle B) Gamma ray C) Electron capture D) Beta particle E) Neutron emission
A) 33.0 mg B) 15.8 mg C) 15 mg D) .33 mg E) 12.5 mg
A) 25g B) 80g C) 50 mg D) 2.5g E) 0.25g
A) Nucleus changes to become stable B) All options listed. C) Atom emits radiation D) Nucleus is unstable due to uneven proton to neutron ratio E) Emits radioactive particles
A) Full-life B) Half-life C) Dead time D) Nuclear fusion E) Zero life
A) An entirely different element. B) different isotope of the same element. C) Both options listed. D) Neither option listed.
A) nuclear mass B) nuclear decay C) isotopes D) nuclide E) radon
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) electron capture B) Beta C) alpha D) positron E) gamma
A) Combustion B) fusion reaction C) decomposition D) neutralization E) Fission reaction
A) 3.125% B) 25.0% C) 6.25% D) 12.5%
A) gamma particle B) neutron C) alpha particle D) Beta particle
A) 10Ne5 B) 6Li3 C) 6C3 D) 10B5
A) gamma B) Beta decay C) alpha D) electron capture E) positron
A) 48Y20 B) 54Y26 C) 46Y22 D) 50Y22 |