Basic Chemistry Flashcard

Front

The nucleus of an atom is made up of ___________________.

Back

Protons and Neutrons.

Front

What is oxygen's ATOMIC NUMBER?

Back

8.

Front

A molecule is made up of ____ or more atoms.

Back

2.

Front

This subatomic particle of an atom has a NEGATIVE charge.

Back

Electron.

Front

How many electrons are found in the potassium atom?

Back

19.

Front

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

Back

Atom.

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, and Electrons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.