In a balanced chemical equation, what role do coefficients play?

They show the number of molecules involved in the reaction.

They indicate the number of atoms in a molecule.

They represent the type of chemical reaction.

They determine the state of matter of the reactants.

What is the purpose of subscripts in a chemical formula?

To indicate the number of atoms of each element in a molecule.

To show the number of molecules.

To balance the chemical equation.

To represent the state of matter.

In the reaction $$\ce{2Na + Cl2 -> 2NaCl}$$ , what does the subscript '2' in $$\ce{Cl2}$$ signify?

There are two chlorine atoms in each molecule.

There are two chlorine molecules.

There are two moles of chlorine.

How do coefficients and subscripts differ in a chemical equation?

Coefficients indicate the number of molecules; subscripts indicate the number of atoms in a molecule.

Coefficients indicate the number of atoms; subscripts indicate the number of molecules.

Coefficients and subscripts both indicate the number of molecules.

Coefficients and subscripts both indicate the number of atoms.

Coefficients and Subscripts

Authored by Lisa Thompson

Science

8th Grade

NGSS covered

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MULTIPLE CHOICE QUESTION

1 min • 12 pts

Is this equation balanced?

Yes

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is this equation balanced?

yes

Not enough information

Tags

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

1 min • 12 pts

How many total molecules is 4NH₃?

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 12 pts

How many total atoms make up 4NH₃?

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The red numbers in the image below represent ________

symbol

coefficients

subscripts

equation

Tags

NGSS.HS-PS1-7

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A small number to the right of a symbol that is written below the normal line of letters to show how many atoms of an element are present in a substance.

subscript

coefficient

reactant

compound

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A number written in front of a chemical formula to show how many molecules of that substance are present.

chemical formula

coefficient

reactant

compound

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Coefficients and Subscripts

Is this equation balanced?

Is this equation balanced?

How many total molecules is 4NH₃?

How many total atoms make up 4NH₃?

The red numbers in the image below represent ________

A small number to the right of a symbol that is written below the normal line of letters to show how many atoms of an element are present in a substance.

A number written in front of a chemical formula to show how many molecules of that substance are present.

Number written below & to the right of a chemical symbol

Number placed in front of a chemical formula

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

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Coefficients and Subscripts

Is this equation balanced?

Is this equation balanced?

How many total molecules is 4NH3?

How many total atoms make up 4NH3?

The red numbers in the image below represent ________

A small number to the right of a symbol that is written below the normal line of letters to show how many atoms of an element are present in a substance.

A number written in front of a chemical formula to show how many molecules of that substance are present.

Number written below & to the right of a chemical symbol

Number placed in front of a chemical formula

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

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How many total molecules is 4NH₃?

How many total atoms make up 4NH₃?