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