Molecular Formulas

What is the best definition for subscript?
 

• The big number that tells you the number of molecules.
• The atomic number
• The little number that tells the number of atoms for each element.

Tags

NGSS.MS-PS1-1

What is the best definition for coefficient?
 

• The big number that tells you the number of molecules.
• The little number that tells the number of atoms for each element.
• The atomic number

Tags

NGSS.MS-PS1-1

What is the best definition for molecule? 

• A molecule is formed when two or more atoms join together chemically.
• A molecule is made of only one atom. 

Tags

NGSS.MS-PS1-1

What is the symbol of the element: gold?

• Ag
• As
• Ap
• Au

What is the best formula for this molecule?

• 2H₂O₂
• 6H₂O₂
• 6H₁₂O₁₂
• 6HO

Tags

NGSS.MS-PS1-1

What is the best statement for the picture. 

• The molecule has two carbon atoms and four hydrogen molecules. 
• The molecule has two carbon atoms and four hydrogen atoms. 
• The molecule has two carbon atoms. 

Tags

NGSS.MS-PS1-1

What is the best formula for this molecule?

• 2H₂O
• H₃O
• H₂O₂
• H₂O

Tags

NGSS.MS-PS1-1

What is the best formula for this molecule?

• C₃H₄O₃
• C₃H₄O
• C₃H₄O₂
• C₃H₄O₄

Tags

NGSS.MS-PS1-1

What is the best formula for this molecule?

• C₅HO₄
• C₅HO₇
• C₅HO₈

Tags

NGSS.MS-PS1-1

What is the best formula for these molecules?

• H₂O
• H₂O₂
• 3H₂O
• 4H₂O

Tags

NGSS.MS-PS1-1