PHYSCI LESSON #3 QUIZ

What is the creation of new atomic nuclei, the centers of atoms that are made up of protons and neutrons.

• main sequence star

• nebula

• nucleosynthesis

What is the lightest element and exhibits the simplest atomic structure?

• hydrogen

• helium

• lithium

Which of the following serves as two primordial elements formed in the beginning of the universe?

• Hydrogen and Carbon

• Hydrogen and Helium

• Helium and Oxygen

How many protons will be emitted during alpha decay?

• 1

• 2

• 4

Which of the following will be the product if Chromium reacts with Helium?

• Titanium

• Silicon

• Iron

Given the chemical formula below, what TYPE OF NUCLEAR REACTION is shown?

• ALPHA EMISSION

• BETA EMISSION

• GAMMA EMISSION

Given the chemical formula below, what TYPE OF NUCLEAR REACTION is shown?

• ALPHA EMISSION

• BETA EMISSION

• GAMMA EMISSION

Given the chemical formula below, what TYPE OF NUCLEAR REACTION is shown?

• ALPHA EMISSION

• BETA EMISSION

• GAMMA EMISSION

Radium-226 decays to an inert gas, radon-222, What particle is emitted in this reaction?

• ALPHA (helium)

• BETA (electron)

• GAMMA emission

 Iodine-131 is a radioisotope with a half-life of 8 days. What will be the resulting element if it decays by beta particle emission?

• Uranium

• Xenon

• Thorium