FREE HESI A2 Chemistry Practice Test

Using the Lewis-dot structure model, how many dots would carbon have?

Which of these would produce hydrogen ions in an aqueous solution and would turn a litmus test from blue to red?

Dihydrogen monoxide is better known as ____.

What is the most abundant element in the Earth’s crust?

What is the most abundant element in the universe?

Which of these elements is liquid at room temperature?

A solution that contains the maximum amount of dissolved solute is said to be ____.

The change in state from a gas to liquid is called ____.

Which of these is not a property of water?

Viscosity increases when ____.

Which of these describes the properties of a real gas?

Reactions that absorb heat are called ____.

What is the molar mass of calcium if its atomic mass is 40 amu?

What is the name of NO2?

BF3 is also known as ____.