Part 1 Chemistry I Fall Semester Exam

Front

What is the correct formula for barium chloride?

Back

Front

What is the electron configuration for a nitrogen atom?

Back

Front

Give an example of homogeneous matter.

Back

An example of homogeneous matter is sugar.

Front

How many electrons does nitrogen want to gain to achieve a noble gas configuration?

Back

Nitrogen wants to gain 3 electrons to achieve a noble gas configuration.

Front

What is the term for the amount of matter an object contains?

Back

The term for the amount of matter an object contains is mass.

Front

What is the definition of a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down into simpler substances, while a compound is made up of two or more elements chemically combined.

Front

What is the significance of the atomic number?

Back

The atomic number indicates the number of protons in an atom's nucleus and determines the element's identity.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What is a chemical reaction?

Back

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