Atoms and Isotopes

How do you find out the number of protons in an atom?

• atomic number
• atomic mass
• charge
• atomic mass - atomic number

Tags

NGSS.MS-PS1-1

How do you find out the number of neutrons in an atom?

• atomic number
• atomic mass
• charge
• atomic mass - atomic number

Which particle has a similar mass to a proton?

• Electron
• Neutron
• Photon
• Marble

The mass of a proton is _______.

• 1 amu
• 1 gram
• has no mass
• undetermined

The part of the atom that determines the identity of the atom is the ____________.

• proton
• nucleus
• electron
• neutron

A substance that is made up for one type of atom is called an:

• atom
• element
• compound
• mixture

Which item on this element square represents the atomic number?

• 13
• Al
• Aluminum
• 26.981538

Tags

NGSS.MS-PS1-1

How many neutrons are in the atom "K"?

• 7
• 19
• 39
• 20

Tags

NGSS.MS-PS1-1

How many protons does an atom of Carbon have? 

• 3
• 12.011
• 6
• none

Tags

NGSS.MS-PS1-1

What are the number of electrons in Carbon?

• 12
• 10
• 6
• 14

Tags

NGSS.MS-PS1-1