What is Step 1?

• Write your name.

• Add a coefficients

• Count the atoms on each side of the equation

Tags

NGSS.MS-PS1-5

If there is nothing after the element, we assume the number of atoms is

• 1

• 3

• 5

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is the only thing that can changed on a chemical equation?

• Subscript

• Coefficient

• Element

If there is no coefficient written, we assume it is

• 7

• 1

• 4

Tags

NGSS.MS-PS1-5

To make the numbers match on each side you can add...

• 
  

  a coefficient of eight.

• 
  

  a subscript of eight.

Tags

NGSS.MS-PS1-5

The coefficient of 8 was distributed to 

• only S

• only O

• both S and O

Which element does not balance yet?

• Hydrogen

• Oxygen

Tags

NGSS.MS-PS1-5

Which of these are polyatomic ions?

• SO₄

• NO₃

• Ca

• 
  

  Na

Polyatomic ions can be considered to be ____ thing

• 1

• 2

• 4

• 5

Tags

NGSS.MS-PS1-1

Which elements are not balanced?

• H

• C

• O

• K

Tags

NGSS.MS-PS1-5