Unit 2 Review

Front

What subatomic particle(s) would be found orbiting the nucleus?

Back

Electrons only

Front

What is the mass of a proton?

Back

1 amu (atomic mass unit)

Front

What is the light that you can see called?

Back

Visible light

Front

Why are line emission spectra of elements called 'atomic fingerprints'?

Back

They are all unique

Front

What subatomic particle is found in the nucleus of an atom?

Back

Proton

Front

What is the charge of an electron?

Back

Negative

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the charge of a proton?

Back

Positive

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.