Chemical Equations

In this image, what are the information in red is called the_______.

• Product
• Reactant
• Chemical Subscript

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

In this image, what are the information to the right of the arrow (in black) is called the_______.

• Product
• Reactant
• Chemical Subscript

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Read the following chemical formula: C₆H₁₂O₆. How many hydrogen atoms are in the formula?

• 12
• 6
• 4

Tags

NGSS.MS-PS1-1

What are the reactants in the following chemical equation? 
2H₂ + O₂   -->   2H₂O

• H₂
• O₂
• 2H₂ + O₂
• 2H₂O

Tags

NGSS.MS-PS1-5

What are the products in the following chemical equation? 
2H₂ + O₂   -->   2H₂O

• H₂
• O₂
• 2H₂ + O₂
• 2H₂O

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

The Law of Conservation of Mass states that ALL matter....

• can be created and destroyed
• cannot be created nor destroyed but can change form
• cannot be created nor destroyed but can be transfered
• can be created but not destroyed 

Tags

NGSS.MS-PS1-5

Coefficients tell us how many ________ there are of an element in a compound.

• Elements
• Atoms
• Molecules

Tags

NGSS.MS-PS1-1

Subscripts are the _________ numbers in a chemical formula.

• Smaller
• Larger

Tags

NGSS.MS-PS1-1

Coefficients are the _________ numbers in a chemical formula.

• Smaller
• Larger

Tags

NGSS.MS-PS1-5

How many ELEMENTS are in the compound H₂O

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1