Gable's Molecule, Compound, Chemical Equation

Which of the following chemical formulas represents a compound?

• C

• O₂

• CH₃CHO

• H₂

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NGSS.MS-PS1-1

Which statement best describes an element?

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

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 or more different elements.

• given off by green plants.

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture

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NGSS.MS-PS1-1

What is the term for combining 2 or more SAME or DIFFERENT elements together?

• atoms

• elements

• molecules

• compounds

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NGSS.MS-PS1-1

What is the term for combining 2 or more DIFFERENT elements together?

• atoms

• elements

• molecules

• compounds

Are these molecules also compounds?

• YES
• NO

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NGSS.MS-PS1-1

Are these molecules also compounds?

• YES
• NO

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NGSS.MS-PS1-1

TRUE OR FALSE:
Every compound is a molecule but not every molecule is a compound.

• TRUE
• FALSE

Tags

NGSS.MS-PS1-1

What is the picture displayed?

• atom
• element
• molecule
• compound

Tags

NGSS.MS-PS1-1