Summative Test on Big Bang and Atomic Theory

Which of the following is NOT an evidence of Big Bang Theory?

• Discovery of the primordial elements.

• A Cosmic Electromagnetic background was detected.

• Explosion of a nearby planet.

• Measurement showed that the universe is expanding.

What will happen once the star has used up the hydrogen in its core?

• Hydrogen burning will start.

• Proton-proton chain will proceed.

• CNO cycle stops.

• Helium Burning will stop.

Why was the atomic model of Ernest Rutherford rejected?

• Failed to predict the distribution and arrangement of electrons

• Couldn't explain the behavior of atoms in chemical reactions

• Couldn't account for the behavior of multi-electron atoms

• Didn't explain the stability of the nucleus against electrostatic repulsion

He is one of the first atomist who believed that all things are made up of atoms.

• Dalton

• Democritus

• Goldstein

• Rutherford

Which of the following is NOT part of Dalton's Chemical Atomic Theory?

• All atoms of the same element have different masses.

• Atoms combine only in whole number ratios.

• All elements are made of atoms

• None of the above

Which of the following shows the correct order of Atomic Theory Timeline.

• Dalton, Thomson, Rutherford, Bohr, Democritus

• Bohr, Democritus, Thomson, Rutherford, Dalton

• Rutherford, Bohr, Dalton, Democritus, Thomson

• Democritus, Dalton, Thomson, Rutherford, Bohr

Which statement describes the neutron?

• It is positively-charged.

• It was discovered by Rutherford.

• It is part of a gamma radiation.

• It is the heaviest subatomic particle.

The two elements created at the beginning of the universe are ______________.

• hydrogen and helium

• hydrogen and carbon

• helium and oxygen

• carbon and nitrogen

The most abundant element in the universe is ____________.

• hydrogen

• helium

• carbon

• nitrogen

Which of the following describes stellar nucleosynthesis?

• It is the formation of elements during a supernova explosion.

• It is the process by which elements are produced in gas clouds.

• It is the formation of light elements such as hydrogen and helium.

• All of the above