Grade 8 Atoms Review

All matter (anything that has mass and volume) is made of...

• energy

• atoms

• electrons

• compounds

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.MS-PS1-1

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

Tags

NGSS.MS-PS1-1

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

An atoms overall charge is

• positive (+)

• depends on its mood (:-p)

• neutral (0)

• negative (-)

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

Tags

NGSS.HS-PS1-8

The atomic number of an elements is the total number of which particles in the nucleus?

• neutrons
• protons
• electrons
• protons and electrons

Which of the following is a positively charged subatomic particle found in the nucleus of an atom?

• Electron
• Proton
• Neutron
• Quark