Atom Unit review #1

Front

How many Protons are in one atom of Lithium?

Back

3

Front

Definition of Physical property

Back

Properties that can be observed without changing the identity of the substance.

Front

What period and group is Fluorine on the periodic table?

Back

Period 2, Group 17

Front

A row on the PTE is called a...

Back

Period

Front

Isotopes have the same number of protons, but a different number of ________________.

Back

Neutrons

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.