Atom Basics (AP Chemistry)

The atomic number is equal to _.

• the number of protons only
• the number of neutrons only
• the total number of protons and neutrons
• the number of protons neutrons and electrons

Tags

NGSS.MS-PS1-1

The atomic mass is equal to _.

• the number of protons only
• the number of neutrons only
• the total number of protons and neutrons
• the number of protons, neutrons, and electrons.

What is the atomic number of Fe? (click to see image)

• 26
• 55.845
• 56
• None of these

Tags

NGSS.MS-PS1-1

What is the atomic mass for this atom?

• 17
• 18
• 35
• 1

Tags

NGSS.MS-PS1-1

How many neutrons does B (Boron) contain?

• 5
• 11
• 6
• 10.811

Tags

NGSS.MS-PS1-1

How many neutrons does Be (Beryllium) contain?

• 4
• 5
• 9.012182

Tags

NGSS.MS-PS1-1

The subatomic particle with a neutral charge is:

• protons
• electrons
• neutrons
• cloud

How REACTIVE an element is is based on 

• protons
• atomic number
• electrons
• valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

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

Tags

NGSS.MS-PS1-1

What type of subatomic particles are found in the cloud?

• neutrons
• electrons
• protons
• reactions

Tags

NGSS.MS-PS1-1