Atoms Review

Which of the following best describes an electron?

• it has a positive charge smaller than a proton

• it has no charge smaller than a proton

• it has a negative charge smaller than a proton

• it has a negative charge same size as proton

Tags

NGSS.MS-PS2-3

Which answer choice correctly describes the location and charge of electrons in an atom.

• negative and inside the nucleus

• negative and outside the nucleus

• postitive and inside the nucleus

• no charge and inside the nucleus

What types of particles are found outside the nucleus of an atom?

• negative particles only

• positive particles only

• neutral particles only

• positive and neutral particles only

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 

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

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

• negatrons 
• electrons 
• neutrons 
• protons 

True or False? Neutrons have a negative charge

• True
• False

The subatomic particle with a negative charge is the

• electron
• proton
• neutron
• nucleus 

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1