Which of the Following Occurs Uncombined in Nature

question 63

Multiple Choice

Which of the following occurs uncombined in nature?

• A) Cl
• B) P
• C) Ar
• D) F
• E) Br

---

Definitions:

Rate

A ratio that compares two quantities of different units, commonly used to describe a time-dependent process such as speed.

Time

A continuous progression of existence and events in the past, present, and future regarded as a whole.

Algebraic Expression

An expression consisting of numbers, variables, and operations but no equal signs.

Algebraic Expression

A mathematical phrase that can contain numbers, variables, and operation symbols but no equals sign.