Chemical Equations Basics

What is the little number after an element in a chemical equation called.
Example: H₂

• Coefficient 

• Subscript

• Atom

• Equation

What does the Law of Conservation of Mass state?

• Matter cannot be gained or lost in a chemical reaction.

• Matter can only be lost in a chemical reaction.

• Matter can only be gained in a chemical reaction.

• Matter can be gained and lost in a chemical reaction. 

Tags

NGSS.MS-PS1-5

What is the part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

• Reactants

• Products 

• Yields 

• Chemical Equation 

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

• Reactants

• Products 

• Yields 

• Chemical Equation 

Label the parts of the chemical equation.

a

b

c

yields

product

reactant

Tags

NGSS.MS-PS1-5

LABEL THE PARTS OF A CHEMICAL EQUATION

a

b

c

d

e

f

g

Coefficients

Reaction arrow

Products

Subscript

State of Matter

Chemical formula

Reactants

Match to show which chemicals are the reactants and which are the products in this chemical equation

• Reactant

• NaOH

• Product

• H₂O

• Product

• H₂

• Reactant

• Na

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

​ (a)   ​ a process in which atoms rearrange to form new substances

• chemical reaction

• circulatory system

• claim

• digestive system

Tags

MS-LS1-1

MS-LS1-2

MS-LS1-3

MS-LS1-7

MS-LS1-8

Match the following

• reactant(s)

• D

• yields

• A

• coefficient

• B

• subscript

• E

• product(s)

• C

Tags

NGSS.MS-PS1-5

Label the diagram of this chemical equation

a

b

c

Elements

Reactants

Yield Sign

Products