Warm Up 9/5/25 Subatomic Particles

The mass of a proton is approximately the same as a mass of a 

• positron
• electron
• neutron
• beta particle

Compared to the mass and charge of an electron, a proton has

• more mass same charge
• less mass same charge
• more mass opposite charge
• less mass no charge

Which statement correctly describes the structure of an atom?

• Positively charged nucleus surrounded by positively charged electrons
• Positively charged nucleus surrounded by negatively charged electrons
• Negatively charged nucleus surrounded by negatively charged electrons
• Negatively charged nucleus surrounded by positively charged electrons

In the diagram shown above, the green particle represents the:

• Proton
• Electron
• Neutron
• Nucleus

Tags

NGSS.MS-PS1-1

In the diagram shown above, the electrons are

• Green
• Red
• Yellow

Tags

NGSS.MS-PS1-1

In the diagram shown above, the green particle has:

• A mass of 1 amu and a charge of 0
• A mass of 1 amu and a charge of +1
• A mass of 0 amu and a charge of -1
• A mass of 0 amu and a charge of 0

Tags

NGSS.MS-PS1-1

The net charge of the nucleus is

• +
• -
• 0

The nucleus contains

• Protons only
• Protons and neutrons only
• Protons neutrons and electrons
• Empty space

Tags

NGSS.MS-PS1-1

These two particles have approximately the same mass

• protons & positrons
• protons & electrons
• Protons & neutrons
• Electrons & neutrons

Which subatomic particle has no mass but has charge?

• Proton
• Electron
• Neutron