Fall Semester Exam- Physical Science 2024

Front

A substance changes from a solid directly to a gas without ever becoming a liquid is known as?

Back

Sublimation

Front

Which element is a noble gas in period 2?

Back

Neon

Front

The process of turning a solid into a liquid is called?

Back

Melting

Front

How many electrons are needed in the outer energy levels for the atom to be chemically stable?

Back

8

Front

How many outer electrons does group 7 have?

Back

7

Front

What is the term for a mixture that has a uniform composition throughout?

Back

Homogeneous mixture

Front

What is the term for the amount of space an object occupies?

Back

Volume

Front

What is the process called when a liquid turns into a gas?

Back

Evaporation

Front

What is the term for the smallest unit of an element that retains the properties of that element?

Back

Atom

Front

What is the name of the negatively charged particle in an atom?

Back

Electron