HESI A2 Chemistry

HESI A2

HESI A2 Test Bank

How many protons does Potassium have?

A. 18 B. 19 C. 20 D. 21

What is atomic mass?

A. Number of protons in an atom B. Sum of protons and neutrons C. Number of neutrons in an atom D. Average weight of an element

Where would you expect tap water to fall on the pH scale?

A. Between 1 and 3 B. Between 4 and 6 C. Between 6 and 8 D. Between 8 and 10

Among the following elements, which is a nonmetal?

A. Mercury B. Magnesium C. Sulfur D. Potassium

What is the name of the compound CH₃-CH₂-CH₂-CH₃?

A. Cyclobutane B. Butane C. Butene D. Butyne