Elements & compounds 6th

How many atoms of Hydrogen are in this compound

• 1
• 2
• 3
• 4

How many atoms of Oxygen are in this compound?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

Helium, Carbon, and Iron are all examples of __________.

• elements
• compounds
• mixtures
• molecules

How many elements are in this compound: 

• 3
• 6
• 4
• 5

This table has two columns of different kinds of matter. Which of the following is the best label for the second column?

• Atoms
• Pure Substances
• Compounds
• Mixtures

Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –

• a gas at room temperature.
• made of two different elements.
• given off by green plants.

Tags

NGSS.MS-PS1-1

A section of the Periodic Table of Elements is provided. What is the chemical symbol for magnesium?

• Mn
• Magnesium
• Mg
• 12

Compounds are different than elements because compounds are -

• A combination of two or more elements.
• 
  B)not able to be broken down into parts
• made from the same type of atoms
  
• a pure substance, elements are not
  

Tags

NGSS.MS-PS1-1

Use the periodic table to determine the Chemical symbol for Iron.

•  Ir
• FE
• Fe
• I

Which is not an element

• Ag
• O
• C₆H₁₂O₆
• He