Physical Science Midterm Review 2023

Front

What are isotopes?

Back

Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the difference between C-12, C-13, and C-14?

Back

C-12, C-13, and C-14 have the same number of protons and electrons, but different numbers of neutrons.

Front

What is surface tension?

Back

Surface tension is the property of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.

Front

What is the name of the compound formed between Beryllium and Nitrogen?

Back

Beryllium Nitride.

Front

What is the name of the compound formed between Calcium and Chlorine?

Back

Calcium Chloride.

Front

What is a decomposition reaction?

Back

A decomposition reaction is a type of chemical reaction where one reactant breaks down into two or more products.

Front

How many reactants are in a decomposition reaction?

Back

There is 1 reactant in a decomposition reaction.

Front

How many products are in a decomposition reaction?

Back

There are 2 products in a decomposition reaction.

Front

What is cohesion?

Back

Cohesion is the attraction between molecules of the same substance, which causes them to stick together.

Front

What is adhesion?

Back

Adhesion is the attraction between molecules of different substances.