Parts of an Atom

How many protons does this atom have?

• 2.5
• 6
• 5
• 10.811

Tags

NGSS.MS-PS1-1

What part of the atom is the arrow pointing to?

• nucleus
• proton
• electron shell
• electron

Tags

NGSS.MS-PS1-1

An atom is made up mostly of

• protons
• gravity
• empty space
• electricity

Tags

NGSS.MS-PS1-1

Circling the atom, these parts of an atom hold a negative charge.

• Neutron

• Electron

• Proton

• Compound

Tags

NGSS.MS-PS1-1

Which of these is the proton.

• A
• B
• C
• None

Tags

NGSS.MS-PS1-1

Which of these is the electron?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

B and C are found in the ______ of an atom.

• Energy levels
• Space
• Nucleus
• Outside

Tags

NGSS.MS-PS1-1

In order for me to find the number of neutrons, I must round the atomic mass and then do what?

• atomic number-atomic mass
• atomic number x atomic mass
• atomic mass + atomic number
• atomic mass - atomic number

Tags

NGSS.MS-PS1-1

The atomic number always tells you

• the number of protons
• the number of electrons
• the number of neutrons
• the mass of an atom

What is the atomic number of this element?

• 17

• 18

• 35

• 35.453

Tags

NGSS.MS-PS1-1