The Big Bang Theory and the Formation of Light Elements

Which of the following elements has one proton and three neutrons?

• tritium

• deuterium

• helium-3

• helium-4

Which element would be produced from the nuclear fusion of helium-3 and helium-4?

• deuterium

• tritium

• lithium-7

• beryllium-7

Which of the following nuclei collided and reacted with helium-4 to produce lithium-7 and a photon?

• helium-3

• hydrogen

• tritium

• helium-4

Which particle would result in the collision and reaction between two deuterium nuclei?

• proton

• neutron

• photon

• electron

Which of the following scientists discovered the cosmic microwave background radiation?

• Robert Wilson

• Arno Penzias

• Edwin Hubble

• Vesto Slipher