Physical Science Milestones Review

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

True or False? Neutrons have a negative charge

• True
• False

A particle that moves around the nucleus is a(n)...

• Proton
• Neutron
• Electron
• Quark

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

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.HS-PS1-8

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

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

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1