Writing Chemical Equations Practice

Chemical equations

• give directions for naming compounds

• describe only biological changes

• describe chemical reactions

• show how to write formulas

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Identify the Reactants in this equation.

• A

• B

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is the compound in the pink box a Reactant or a Product?

• Reactant

• Product

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many atoms of oxygen are represented in the picture?

• 2

• 3

• 5

• 6

Tags

NGSS.MS-PS1-1

starting material in a chemical reaction

• subscript

• coeffient

• reactants

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-7

Number IN FRONT of reactants or products

• product

• reactant

• coefficient

• subscript

a series of symbols and formulas that represents a chemical reaction

• reactant

• product

• Chemical equation

Tags

NGSS.MS-PS1-1

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

• the product is doubled

• the product is half the mass of the reactants

• the mass is the same

• the mass changes depending on the reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

• Reactants

• Products 

• Yields 

• Chemical Equation 

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

• Reactants

• Products 

• Yields 

• Chemical Equation 

Tags

NGSS.MS-PS1-5