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