Subscripts and Coefficients

The red numbers in the image below represent ________

• subscripts

• coefficients

• I don't know, and don't want to try

• None of the answers are correct

Tags

NGSS.MS-PS1-1

The ______ are numbers found on the lower right-hand side of an element symbol.

• Coefficient

• Exponent

• Multiplier

• Subscript

Coefficients in chemical formulas...

• Multiply just the first atom

• Add to the subscripts at the end of the molecule

• Multiply elements without subscripts

• Multiply EVERYTHING!

Tags

NGSS.MS-PS1-5

In the equation shown, what are the product(s)?

• N₂ + H₂

• NH₃

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What role do coefficients play in a chemical equation?

• They indicate the temperature at which the reaction occurs.

• They show how many electrons are transferred in the reaction.

• They represent the number of molecules of each substance involved in the reaction.

• They determine the color change of the reaction.

Tags

NGSS.HS-PS1-7

• The number of water molecules.

• The number of hydrogen atoms in each molecule of water.

• The total number of atoms in each molecule.

• The charge of the water molecule.

Tags

NGSS.MS-PS1-1

In a balanced chemical equation, the coefficients are used to:

• Change the types of atoms in the reactants and products

• Indicate the physical states of the reactants and products

• Balance the charge on each side of the equation

• Ensure there are equal numbers of each type of atom on both sides of the equation

A coefficient is __________.

• the variable

• a constant

• an exponent

• the number that comes before the variable

What is the coefficient of x?
8 + 5x - y

• 8

• 0

• 5

• -5

Coefficients tell the number of __________ in a formula.

• Molecules

• Atoms

• Elements

• Oxygen

Tags

NGSS.MS-PS1-5