GR8 Science Milestones Review

Pepperoni Pizza is an example of

• a homogeneous mixture

• a heterogeneous mixture

• a pure substance

• a compound

This diagram best demonstrates

• a compound

• a mixture

• an elemental compound

• an elemental molecule

Tags

NGSS.MS-PS1-1

Which model demonstrates the Law of Cnnservation of Mass/Matter?

• 
• 
• 
• 

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NGSS.MS-PS1-5

Birds sitting on a wire would be like the particle motion of (a)   while ants moving through an ant hill would best represent the particle motion of​ (b)  

• solids
• liquids
• gases

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NGSS.MS-PS1-4

Most elements on the periodic table are ​ (a)   , so most elements on the periodic table are​ (b)   .

• metals
• solids
• nonmetals
• gases
• metalloids

Which letter informs us of the number of protons?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

How many electrons does this element have?

• 0.066

• 16

• 32

• 32.066

Tags

NGSS.MS-PS1-1

How many neutrons does Chromium have?

• 24

• 28

• 52

• 76

Tags

NGSS.MS-PS1-1

The area of an atom that is the most dense is the (a)  

• nucleus
• electron cloud
• valence shell

Look at this section of the periodic table. From left to right it shows some of the metals. metalloids and nonmetals. Which 2 elements would likely have the most similar properties?

• Nitrogen (N) and Oxygen (O)

• Carbon (C) and Lead (Pb)

• Chlorine (Cl) and Argon (Ar)

• Tin (Sn) and Lead (Pb)