How Many Atoms Fit Across the Period at the End

question 4

Multiple Choice

How many atoms fit across the period at the end of this sentence?

• A)hundreds
• B)billions
• C)thousands
• D)millions
• E)more than you could count in a lifetime

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Definitions:

Median Age

The age that divides a population into two numerically equal groups: half the people are older than this age and half are younger.

Parenthood

The role and responsibilities associated with raising a child, from providing emotional support to meeting the child's physical needs.

United States

A country in North America that consists of 50 states and is characterized by a diverse population and a large economy.

First Birth

The event of giving birth for the first time, marking a major transition in the life of a parent, especially the mother.