Writing Chemical Equations Practice

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

• Reactants

• Products 

• Yields 

• Chemical Equation 

Arrow in equation means

• product

• reactant

• yield

Tags

NGSS.MS-PS1-2

Number IN FRONT of reactants or products

• product

• reactant

• coefficient

• subscript

one or two letters representing a chemical element.

• subscript

• coefficient

• chemical symbol

Chemical reactions occur when _________ are broken and new bonds are formed.

• mixtures

• osteoclasts

• physical bonds

• chemical bonds

Tags

NGSS.MS-PS1-5

A group of chemical symbols and numbers to show number of atoms of each element in a molecule

• reactant

• Chemical Formula

• product

Tags

NGSS.MS-PS1-1

Number BELOW on an element

• product

• reactant

• subscript

• coefficient