Fusion Is the Process by Which

question 78

Multiple Choice

Fusion is the process by which:

• A) dust grains and ice crystals coalesce to form planetesimals.
• B) massive protoplanetary cores pull gas onto themselves to create giant planets.
• C) clouds of interstellar gas and dust contract to form protostars.
• D) elements are transformed into heavier elements by nuclear reactions.

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Definitions:

3-Octene

A chemical compound belonging to the group of alkenes with the molecular formula C8H16, featuring a double bond between the third and fourth carbon atoms.

Line Structure

A simplified representation used in chemistry to show the arrangement of atoms in molecular structures.

Alkynes

A group of hydrocarbons that contain at least one carbon-carbon triple bond, characterized by the formula CnH2n-2.

Triple Bond

A chemical bond in which three pairs of electrons are shared between two atoms, making it stronger and shorter than single and double bonds.