Chemistry Semester 1 Post Test

Front

How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide?

Back

6 liters

Front

Which of the following best describes an electron?

Back

Negatively charged subatomic particle

Front

Is hydrogen considered a metal or a non-metal?

Back

Nonmetal

Front

What is matter?

Back

Anything with mass that takes up space.

Front

What type of bond is present in MgO?

Back

Ionic

Front

What is the formula for calculating molarity?

Back

Molarity (M) = moles of solute / liters of solution

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.

Front

What is the difference between an ionic bond and a covalent bond?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.