Chemistry Unit 2*

Front

What subatomic particle determines the type of element an atom represents?

Back

Proton

Front

Can laboratory work be started immediately upon entering the laboratory without the instructor present?

Back

False

Front

What is a proton?

Back

A positively charged subatomic particle.

Front

Are all chemicals in the lab to be considered dangerous?

Back

True

Front

What should you do if a lab experiment is not completed?

Back

Discuss the issue with your instructor.

Front

What is the charge of an electron?

Back

Negatively charged.

Front

Where are neutrons located in an atom?

Back

In the nucleus.

Front

What is the mass of a proton compared to an electron?

Back

Proton is approximately 1836 times more massive than an electron.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the role of neutrons in an atom?

Back

Neutrons help stabilize the nucleus.