Chemistry semester review

Front

How many electrons does potassium K contain?

Back

19

Front

What is the correct term for 'atom with more protons than electrons'?

Back

positive ion (cation)

Front

What is Part D used for in a Bunsen burner?

Back

controlling the amount of oxygen allowed

Front

Which type of electromagnetic radiation can humans see?

Back

Visible light

Front

When you first light a Bunsen burner, the flame should be:

Back

Yellow

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a neutral atom?

Back

An atom with an equal number of protons and electrons.

Front

What is an anion?

Back

An atom with more electrons than protons, resulting in a negative charge.

Front

What is the significance of the flame color in a Bunsen burner?

Back

A yellow flame indicates incomplete combustion, while a blue flame indicates complete combustion.

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation, including visible light.