Matter Review

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

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• Electrons 
• Positrons 
• Neutrons 
• Protons 

Tags

NGSS.MS-PS1-1

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 

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

I am the smallest whole particle of matter. 

• atom
• compound
• molecule
• mixture

Tags

NGSS.MS-PS1-1

Which statement best describes an electron?

• Smaller mass than a proton and a negative charge
• Smaller mass than a proton and a positive charge
• Greater mass than a proton and a negative charge
• Greater mass than a proton and a positive charge

Tags

NGSS.MS-PS2-3

Most of the mass in an atom is concentrated in the _____.

• Electrons
• Nucleus
• Protons
• Empty space

What is the atomic number for an element with three protons?

• 2
• 1
• 3
• 6