Elements and Compounds

Which of the following is a compound?

• Co
• He
• CO
• H

Tags

NGSS.MS-PS1-1

Which statement best describes an element?

• made from mixture 
• thousands in the world
• pure, made of only one thing
• can be separated 

Which best describes a compound? 

• found on the periodic table 
• made from two or more elements
• a pure substance 
• only 100 in the world 

Elements are represented by a...

• More than one capital letter
• Chemical symbol 
• Chemical formula 
• Oxygen 

Tags

NGSS.MS-PS1-1

Compounds are represented by a...

• Capital Letter
• Chemical symbol 
• Chemical formula 
• Chlorine 

Tags

NGSS.MS-PS1-1

A new compound has been discovered. Here is the chemical formula:
CHOFeNaNPb 

How many elements are in this compound?

• 5
• 6
• 7
• 10

Tags

NGSS.MS-PS1-1

The chemical symbol O is used for what element?

• Cerium
• Cobalt 
• Oxygen
• Osmium

The chemical symbol N is used for what element?

• Rubidium
• Gold
• Potassium
• Nitrogen

Which one can be found on the periodic table?

• Compound 
• Element

Which one has more than one type of atom in it?

• Element
• Compound 

Tags

NGSS.MS-PS1-1