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