Empirical / Molecular formulas

A formula with the lowest whole # ratio of elements in a compound is called

• Molecular Formula
• Chemical Formula
• Empirical Formula 
• Distance Formula

What is the empirical formula for C₄H₆?

• CH

• CH₃

• C₂H₃

• C₄H₆

Tags

NGSS.MS-PS1-1

What is the empirical formula for N₂S₃?

• NS

• N₃S₂

• N₂S₃

• N₁S_1.5

Si₂F₆

Choose the correct empirical formula...

• SiF

• Si₂F₆

• SiF₃

• Si₆F₂

C₂F₆

Choose the correct empirical formula...

• CF

• C₂F₆

• C₆F₂

• CF₃

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

A chemical formula that shows the actual # and kinds of atoms present in one molecule of a compound is called_________

• ionic formula
• covalent formula
• empirical formula
• molecular formula

C₂H₆O

Which is the correct empirical formula

• CHO

• C₂H₆O

• C₄H₁₄O₂

• None

How many "C" are in CO₂

• 2

• 1

• 0

• 3

Tags

NGSS.MS-PS1-1