You Find a Compound Composed Only of Element X and Hydrogen

question 19

Multiple Choice

You find a compound composed only of element X and hydrogen, and you know that it is 91.33% element X by mass. Each molecule has 2.67 times as many H atoms as X atoms. What is element X?

• A) Cu
• B) Si
• C) Cl
• D) C
• E) Ne

---

Definitions:

Medicare

A federal health insurance program in the United States primarily for people who are 65 or older, as well as for some younger individuals with disabilities.

Legal Right

An entitlement or permission granted by legal systems that enables an individual or entity to engage in certain actions or to be in a certain state.

Moral Right

A right based on ethical principles, often thought to be universal and inherent to the dignity of human beings.

Health Care Right

The entitlement of individuals to have access to health care services without discrimination or unnecessary barriers.