Why Is the Atomic Weight of Hydrogen 1

question 99

Multiple Choice

Why is the atomic weight of hydrogen 1.008 and not exactly its mass number, 1.000?

• A) Atomic weight does not take into account the weight of rare isotopes of an element.
• B) Atomic weight is the average of the mass numbers of a representative sample of the element, including all its isotopes.
• C) The atomic weight includes the weight of the electrons.
• D) The atomic weight does not include the weight of the protons.
• E) The mass number of an element is always lower than its atomic weight.

---

Definitions:

Values, Roles

Fundamental beliefs or principles that guide behavior, and the functions or positions individuals occupy in a social system.

Initiation Rite

A ceremonial event or ritual marking the entrance or acceptance of an individual into a group or society.

Personal Transformation

A profound change in an individual's personality, beliefs, or outlook on life, usually resulting in positive growth or development.

Total Institution

A place where people are isolated from the wider society and lead an enclosed, formally administered life.