Writing Chemical Word Equations

Which symbol shows a chemical reaction has occured?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In this chemical reaction zinc is a...

• Product

• Reactant

• Neither

How do you show that a substance is dissolved in water when writing an equation?

• (s)

• (g)

• (l)

• (aq)

When hydrogen burns, what is oxygen's role?

• catalyst

• inhibitor

• product

• reactant

When writing a chemical equation, reactants are on the _____________ while products are on the _________________.

• top, bottom

• right, left

• left, right

• bottom, top

A worded equation...

• are detailed

• includes subscripts

• includes coefficients

• uses the full names of the substances

Chemical equations

• give directions for naming compounds

• describe only biological changes

• describe chemical reactions

• show how to write formulas

Tags

NGSS.HS-PS1-7

What is the correct way to represent a solid in a chemical word equation?

• (s)

• (l)

• (g)

• (aq)

In a chemical word equation, what does the term 'yields' indicate?

• The reaction is reversible

• The reaction is endothermic

• The formation of products

• The presence of a catalyst

Which of the following is a balanced chemical word equation for the reaction of hydrogen and oxygen to form water?

• Hydrogen + Oxygen -> Water

• Hydrogen + Oxygen -> Hydrogen Oxide

• Hydrogen + Oxygen -> H2O

• Hydrogen + Oxygen -> Dihydrogen Monoxide

Tags

NGSS.MS-PS1-1