A Pure Substance _______

question 42

Multiple Choice

A pure substance _______

• A)must be composed of atoms of the same type.
• B)cannot be separated into simpler substances by physical means.
• C)must be a compound.
• D)has different chemical properties depending on its source.
• E)can have a composition that varies from sample to sample.

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Definitions:

Social Security

A government system that provides financial assistance to people with an inadequate or no income, particularly in retirement, disability, or survivorship.

Wage Limitation

A cap on the amount of wages that can be considered for certain tax calculations or benefits, such as Social Security taxes.

Standard Deduction

A fixed dollar amount that reduces the income on which you are taxed, varying by filing status and adjusted annually for inflation.

Dependent

A person who relies on another, especially a family member, for financial support and qualifies for potential tax benefits.