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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 ____
.