A Chemical Reaction Involves Many Changes but Not Everything Changes

question 35

Multiple Choice

A chemical reaction involves many changes but not everything changes during a reaction.Which of the following is NOT a change that occurs during a chemical reaction?

• A) Atoms change in number or identity.
• B) Bonds break.
• C) Heat is released and/or absorbed.
• D) New bonds form.
• E) New molecules are formed.

---

Definitions:

Voices

Auditory experiences perceived without an external stimulus, often occurring in conditions such as schizophrenia.

Developing Human Organism

An ongoing process of growth and change in humans, from conception through the entire lifespan.

Fetus

A developing human from approximately the end of the eighth week after conception to the moment of birth.

Conception

The process of becoming pregnant involving the fertilization of an egg by a sperm.