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