Chemistry Hesi A2

In the solid state, you would expect a nonmetal to be _________.

A. brittle B. lustrous C. malleable D. conductive

A radioactive isotope has a half-life of 20 years. How many grams of a 6-gram sample will remain after 40 years?

A. 8 B. 6 C. 3 D. 1.5

What are the products of combustion of a hydrocarbon in excess oxygen?

A. Carbon dioxide and water B. Naphthalene C. Chlorine and bromine D. Carbonium ions

What does a blood sample with a pH of 3 indicate?

A. It is strongly acidic. B. It is strongly basic. C. It is weakly acidic. D. It is weakly basic.

To the nearest whole number, what is the mass of one mole of hydrogen chloride?

A. 36 g/mol B. 38 g/mol C. 71 g/mol D. 74 g/mol

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