Subscripts and Coefficients

How many total atoms make up 4NH₃?

• 4

• 16

• 3

• 12

Tags

NGSS.MS-PS1-1

Is this equation balanced?

• Yes

• No

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The blue numbers in the image below represent ________

• element symbol

• coefficients

• subscripts

• yield

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

The red numbers in the image below represent ________

• symbol

• coefficients

• subscripts

• equation

Tags

NGSS.HS-PS1-7

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

• chemical formula

• coefficient

• reactant

• compound

Number written below & to the right of a chemical symbol

• subscript

• reactant

• product

• coefficient

In a chemical equation, what does the subscript in a formula represent?

• The number of molecules

• The number of atoms of an element

• The total mass of the compound

• The charge of the ion

What is the role of a coefficient in a balanced chemical equation?

• Indicates the number of atoms

• Shows the number of molecules or moles

• Represents the charge of ions

• Denotes the type of reaction

Tags

NGSS.MS-PS1-5

• Two molecules of water

• Two atoms of hydrogen

• Two moles of water

• Two ions of hydrogen

Tags

NGSS.MS-PS1-1