formation of light elements

What is the term referred to form of an element that has the same atomic number of the

original element but with different atomic mass or mass number?

• Elements

• Heavy elements

• Isotopes

• Light elements

What does an element’s atomic weight determine?

• number of protons and electrons

• number of protons and neutrons

• number of protons only

• number of neutrons only

What is the term referred to the process by which light nuclei fuse together to form a

heavier nucleus?

• Nuclear fusion

• Nuclear reaction

• Nuclear synthesis

• Nucleosynthesis

Aside from the neutron, the core of an atom is made up of which other subatomic particle?

• Electron

• Proton

• Positron

• None of the above

1. It is a theory that explains that the universe started as a very dense and hot “singularity” which eventually cooled and began to form different particles?

• Big bang theory

• Cosmic inflation theory

• Oscillating theory

• Steady state theory

Who developed the latest model of the atom which is accepted until today?

• Ernest Rutherford

• J.J. Thomson

• John Dalton

• Niels Bohr

What force naturally pulls things together?

• Fission

• Fusion

• Gravity

• Pressure

The following light elements were formed in the big bang nucleosynthesis?

• H, C, He, Be

• He, H, Li, Be

• Fe, He, H, Li

• Li, H, He, Na

Arrange the stages of the big bang theory:

1-recombination 2- big bang singularity 3-inflation 4-nucleosynthesis

• 2341

• 2314

• 3214

• 1234

It refers to the first stage of the big bang model wherein it begun as an infinitely hot and dense?

• Big bang singularity

• Inflation

• Nucleosynthesis

• Recombination