TEST - Atoms and Elements

Identifies the number of protons in an atoms nucleus.

• Electron Cloud

• Atomic Theory

• Atomic Number

• Mass Number

Each chemical element is made up of only one kind of

• atom

• molecule

• electron

• neutron

What is the CHEMICAL SYMBOL in this element tile?

• 10

• Ne

• Neon

• 20.18

What is the atomic number of this element?

How many neutrons does this element have?

What is the atomic mass of this element?

How many electrons does this element have?

What is a positively charged particle?

• neutron

• electron

• proton

• atom

A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass

• Electron Shells
• Orbitals
• Electron Cloud
• Nucleus

Atoms are made up of ________________

• energy

• electrons

• subatomic particles

• gasses