Atomics

What subatomic particles would you find in the nucleus of an atom?

• Protons only
• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons 

Tags

NGSS.MS-PS1-1

Which subatomic particles contribute the most to the mass of an atom?

• Protons, Neutrons, Electrons
• Protons only
• Protons and Electrons
• Protons and Neutrons

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

• 14
• 7
• 15
• 18

Protons and Electrons balance the charge of an atom.

• True
• False

If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?

• 12 neutrons
• 12 electrons
• 12 protons
• 24 protons and neutrons

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11
• 5
• 6
• 16

Tags

NGSS.MS-PS1-1

This particle is found in the nucleus and has no charge

• Neutron
• Proton
• Electron

This particle is found in the nucleus and has a positive charge

• Electron
• Proton
• Neutron

This is a negatively charged particle found outside the nucleus

• Electron
• Proton
• Neutron

This contains most of the mass of an atom

• Electron Cloud
• Nucleus
• Electron

Tags

NGSS.HS-PS1-8