Observations Show That Elements with Atomic Mass Numbers Divisible by 4

question 120

Multiple Choice

Observations show that elements with atomic mass numbers divisible by 4 (such as oxygen- 16, neon- 20, and magnesium- 24) tend to be more abundant in the universe than elements with atomic mass numbers in between. Why do we think this is the case?

• A)Elements with atomic mass numbers divisible by 4 tend to be more stable than elements in between.
• B)The apparent pattern is thought to be a random coincidence.
• C)At the end of a high- mass star's life, it produces new elements through a series of helium capture reactions.
• D)This pattern in elemental abundances was apparently determined during the first few minutes after the Big Bang.

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Definitions:

Indorsement

The act of signing one's name on the back of a check or other negotiable instrument to legally transfer its ownership.

Indorsee

A person to whom a draft, note, or other negotiable instrument is transferred by endorsement.

Indorser

A person who signs a negotiable instrument on the back to endorse it to another entity, transferring ownership.

Conditional Indorsement

An indorsement that makes the rights of the indorsee subject to the happening of a certain event or condition.