Periodic Table Vocabulary

An atom's mass comes from the

An element is made up of its own special type of ______________ and is not connected to any other substance.

#4

A substance that is PURE in its makeup, meaning it is not connected to any other substance, is known as an _________.

Protons, electrons, and neutrons are known as ________________.

#3

Columns on the periodic table are called _______________ or ______________.

The periodic table is composed of rows and columns. Another term for row is ___________

#1

#4

Out of the proton, electron, and neutron, two of these carry a _____ that is opposite of one another.

The _______________ contains a decimal.

The atomic number and the atomic mass ___________ as you move from the left to the right on the periodic table.

The gray particles are ________

The _______________________ is made up of all known elements in the world.

The smallest particle of an element is

#1

The red particles are _______

The blue particles are _____

#2

When looking at a Bohr Diagram, electrons are arranged on ________ positioned around the center of the atom.