Chemical Formulas and Counting Atoms

How many molecules of table salt are there in 6NaCl?

• 1

• 12

• 6

• 3

Tags

NGSS.MS-PS1-1

How many different ELEMENTS are in C₆H₁₂O₆?

• 1

• 2

• 3

• 6

Tags

NGSS.MS-PS1-1

How many atoms of Oxygen are there in: H₂SO₄

• 6

• 5

• 4

• 2

Tags

NGSS.MS-PS1-1

If there is no subscript, there is/are ______ atom(s) of that element.

• 0

• 2

• only 1

• 1 million

Tags

NGSS.MS-PS1-1

A tall number in front of a chemical formula. It indicates the number of molecules present.

• Coefficient

• Subscript

• Exponent

• Coordinator

What does the subscript in a chemical formula tell you?

• How many molecules are present

• How many atoms are present

• How many elements are present

• How many neutrons are present

How many different ELEMENTS are in N₂O ?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What is the correct chemical formula for the compound pictured?

• H₂

• H₂O

• O₂

• H₂O₂

Tags

NGSS.MS-PS1-1

Matter can not be created nor destroyed: it can only be

• Destroyed a little bit

• Invisible

• Transformed, Changed

• None of the above

Tags

NGSS.MS-PS1-5

If reaction starts with 20g of reactants it should produce 

• a total of 40g of products
• a total of 10g of products
• a total of 80 g of products
• a total of 20g of products

Tags

NGSS.MS-PS1-5