Coefficient

A ______ is a number written in front of a chemical formula.

• Coefficient

• Subscript

• Exponent

• Coordinator

What does the number 4 represent in 4NH₃?

• Subscript

• Superscript

• Coefficient

Tags

NGSS.MS-PS1-1

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

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

What is the number before a chemical formula called?
Ex: 2H₂ + O₂ --> 2H₂O

• Coefficient

• Subscript

• Atom

• Equation

Tags

NGSS.MS-PS1-5

What are the large numbers at the beginning of a molecule called (they are red in the image)?

• Subscripts

• Coefficients

• Numbers

• Molecules

A coefficient is __________.

• the variable

• a constant

• an exponent

• the number that comes before the variable

What is the coefficient:

4 - 2y

• 2

• 4

• -2

• 0

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

• 8

• 0

• 5

• -5

In this chemical formula, which number represents the coefficient (the number of molecules)?

• 5

• 2

• 3

• 1