Particles to Mass

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

• Protons, Neutrons, Electrons

• Protons only

• Protons and Electrons

• Protons and Neutrons

Tags

NGSS.MS-PS1-1

Which of these best describes one of the subatomic particles that could be found at location X in the model of an atom shown above?

• It has mass but no charge.

• It has no mass and a positive charge.

• It has a large mass and a negative charge.

• It has no mass and an equal number of positive and negative charges.

Tags

NGSS.MS-PS1-1

Which of these statements about the mass of subatomic particles is true?

• The mass of a proton is the same as the mass of an electron.

• The mass of a neutron is the same as the mass of an electron.

• The mass of a neutron is much greater than the mass of a proton.

• The mass of a proton is much greater than the mass of an electron.

Which subatomic particle has the least mass; less than 1 amu?

• neutron

• electron

• proton

• nucleuses

All matter is made up of tiny _______________

• energy

• particles (atoms and molecules)

• bits

• antimatter

Tags

NGSS.MS-PS1-1

Which of these particles has the greatest mass?

• Proton

• Neutron

• Electron

• Photon

What is the primary component of an atom's mass?

• Electrons

• Protons

• Neutrons

• Both protons and neutrons

Which particle is responsible for the majority of an atom's volume?

• Proton

• Neutron

• Electron

• Nucleus

What is the mass of an electron compared to a proton?

• Equal

• Much greater

• Much less

• Slightly less

Which of the following particles is not found in the nucleus of an atom?

• Proton

• Neutron

• Electron

• Quark