Milestone Review- Periodic Table & Atoms

Periodic Table organizes elements by __.

• atomic mass

• atomic number

• number of neutrons

• size of atom

What is the atomic number of Carbon?

• 6

• 12.01

• 18

• 20

How many protons does Neon contain?

• 20.18

• 30.18

• 10

• 5

Which two subatomic particles are found in the NUCLEUS of at atom?

• protons & nuetrons
• protons & electrons
• neutrons & electrons
• electrons & protons

The subatomic particle with a neutral charge is:

• protons
• electrons
• neutrons
• cloud

What type of subatomic particles are found in the cloud?

• neutrons
• electrons
• protons
• reactions

What gives an atom mass?

• Protons & electrons in the nucleus
• electrons in the cloud
• protons & neutrons in the nucleus
• Protons & electrons in the cloud

The number of protons is equal to 

• the atomic number
• the number of neutrons
• the energy levels
• the periodic table groups

What is the atomic number of this atom?

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

Tags

NGSS.MS-PS1-5