Unit Test — Unit test Answers

Which describes the substances that form covalent bonds?

The Statue of Liberty is made out of copper and was once shiny and copper-colored. Over the years, the copper has gone through a process called oxidation, where it has changed into a new material.

There are several different models that represent compounds. One type of model is shown.

The release of a gas from a chemical reaction is very quick. A scientist wants to measure what is released, but in small increments. What would allow the scientist to change the rate of the reaction so the results could be measured?

The table describes the properties of four compounds.Which compounds are most likely ionic?