Writing Word Equations

Sodium reacts with chlorine to produce sodium chloride. Choose the correct word equation.

• sodium chloride → chlorine + sodium

• sodium + carbon dioxide → sodium carbonate

• sodium + chlorine → sodium chloride

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Identify the product(s) in this word equation

• Sodium

• Sodium chloride

• Sodium and Chlorine

• Sodium and sodium chloride

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a word equation the REACTANTS

• Are written on the right hand side of the arrow

• Are produced in a chemical reaction

• Are always the same

• Are the substances that react together

What are the reactants in this word equation?

• Carbon dioxide and oxygen

• Carbon dioxide and water

• Oxygen and glucose

• Oxygen and water

Tags

NGSS.MS-LS1-6

What is the word equation for the reaction of sodium and chlorine to form sodium chloride?

• Sodium + Chlorine → Sodium Chloride

• Sodium Chloride → Sodium + Chlorine

• Sodium + Water → Sodium Chloride

• Chlorine + Water → Sodium Chloride

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the word equation for the reaction of hydrogen and oxygen to form water?

• Hydrogen + Oxygen → Water

• Water → Hydrogen + Oxygen

• Hydrogen + Water → Oxygen

• Oxygen + Water → Hydrogen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Magneisum reacts with oxygen to form magnesium oxide. The correct word equation is...

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Iron reacts with sulfur to produce iron(II) sulfide. Choose the correct word equation.

• iron + solid → iron sulfide

• iron + sulfur → iron sulfide

• iron sulfide + iron→ sulfur

• sulfur + iron sulfide → iron

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a word equation, what should be used when writing the reactants and products?

• Words only

• A mixture of words and chemical symbols

• Chemical symbols only

Iron (a grey metal) reacts with sulfur (a smelly yellow solid) to produce iron sulfide (a black solid).

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5