Third Quarter Common Assessment Review

A substance made by mixing other substances together and being able to then separate is the definition of a

• Combination
• Solution
• Mixture

Can a mixture be separated? 

• No
• Yes
• Only sometimes

The difference between elements and compounds is that...

• elements can be separated by physical means and compounds cannot.
• elements cannot be separated by physical means and compounds can.
• elements contain only one kind of atom and compounds contain more than one kind of atom.
• elements contain more than one kind of atom and compounds contain only one kind of atom.

Tags

NGSS.MS-PS1-1

A pure substance can be either an element or a ______________. 

• single substance
• hot mess 
• Complex 
• compound 

Italian Salad Dressing

• heterogeneous mixture
• homogeneous mixture

Vinegar

• Heterogeneous
• Homogeneous

A mixture that is NOT evenly distributed is called ....

• Compounded
• Homogenous
• Heterogenous
• Salty

What is anything that has mass and takes up space?

• atom
• matter
• molecule
• physical property

Tags

NGSS.MS-PS1-1

Most of an atom's mass is found in the

• electrons.
• nucleus.

Tags

NGSS.HS-PS1-8

A neutral atom of the element sodium has 11 protons and ____ electrons.

• 22
• 23
• 8
• 11

Tags

NGSS.MS-PS1-1