Atoms and Molecules

Where is the element's atomic NUMBER located?

• the top

• the bottom

• the top + the bottom

• the number of protons + the number of neutrons

Where is the element's atomic MASS located?

• at the top

• at the bottom

• the top number + the bottom number

• the number of protons + the number of neutrons

What are the 3 subatomic particles of an atom?

• carbon atom, proton, electron

• quarks, neutrons, protons

• nucleus, protons, electrons

• protons, neutrons, electrons

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

Which subatomic particle has a neutral or no charge?

• proton

• neutron

• electron

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The positive particle in an atom.

• proton

• neutron

• electron

• electron cloud