Fall 2024 First Semester Exam Review

Front

What is an element?

Back

A substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

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

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is a proton?

Back

A positively charged subatomic particle found in the nucleus of an atom, which identifies the element.

Front

What is a neutron?

Back

A neutral subatomic particle found in the nucleus of an atom.

Front

What is an electron?

Back

A negatively charged subatomic particle that orbits the nucleus of an atom.

Front

What does the equation c = λf represent?

Back

It relates the speed of light (c) to wavelength (λ) and frequency (f).

Front

What is the speed of light constant?

Back

The speed at which light travels in a vacuum, approximately 3.00 x 10^8 meters per second.

Front

What is the formula for calcium phosphate?

Back

Ca3(PO4)2.