Choose from the List Below for the Following Questions

question 34

Multiple Choice

Choose from the list below for the following questions.You may use a choice more than once.
-Which method of energy generation provides the source of energy for a protostar?

• A)H fusion by the proton-proton chain
• B)H fusion by the CNO cycle
• C)helium fusion
• D)matter-antimatter annihilation
• E)gravitational contraction

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Definitions:

Skeletal Structure

A simplified organic chemistry diagram showing the bonding arrangement of atoms within a molecule without depicting hydrogen atoms.

Hydrogen Atoms

The simplest and most abundant type of chemical atom in the universe, consisting of one electron bound to a single proton.

Molecule

The smallest unit within a chemical substance that possesses the chemical attributes of the specific element or compound.

Lewis Structure

A representation of molecules showing all the valence electrons as dots or lines, highlighting the bonding between atoms and any lone pairs.