Elements vs Compounds

Element or Compound?
H₂SO₄

• Element
• Compound

Tags

NGSS.MS-PS1-1

Element or Compound?
Au

• Element
• Compound

The element Hydrogen contains two Hydrogen atoms (H₂). Which of the following is TRUE about Hydrogen?

• H₂ is an element because it only has 1 atom

• H₂ is an compound because it has 2 atoms

• H₂ is an element because it only has 1 type of atom

Tags

NGSS.MS-PS1-1

Which of the following is not an element?

• H₂

• O₂

• F₂

• H₂O

Tags

NGSS.MS-PS1-1

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

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-PS1-5

Is this an example of an element or compound?

• element

• compound

Tags

NGSS.MS-PS1-1

What is the difference between CO and Co?

• They are the same.

• CO is an element and Co is a compound.

• CO is a compound and Co is an element.

Tags

NGSS.MS-PS1-1

Pure substances listed on the periodic table that cannot be broken down into any other substances by chemical or physical means

• Elements

• Compounds

• Molecules

• Mixtures