Elements, Compounds, Mixtures and Changes Part 1

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Tags

NGSS.MS-PS1-1

Salt has a chemical formula of NaCl.  Salt is a...

• Compound
• Element
• Mixture
• None of the Above

Tags

NGSS.MS-PS1-1

What cannot be broken down into other substances?

• Compound
• Mixture
• Solids
• Element

What is made up two or more elements that are chemically combined?

• Element
• Mixture
• Compound
• Solids

Tags

NGSS.MS-PS1-1

A combination of substances that are not chemically combined is called a(n)____________. 

• mixture
• compound
• physical

Mixtures are separated through ___________changes.

• mixture
• compound
• physical

Tags

NGSS.MS-PS1-2

An element is made up of only one kind of _____.

• isotope
• plastic
• atom
• metal

Tags

NGSS.MS-PS1-1

which one can be found on the periodic table

• Compound 
• Element

Water is an example of:

• compound
• element
• solution

Tags

NGSS.MS-PS1-1

Jello is an example of a...

• Element
• Compound
• Mixture