Counting atoms and Chemical Reactions

What is the left part of a chemical equation called?

2H₂ + O₂ ----> 2 H₂O

• Reactants

• Products

• Yields

• Chemical Equation

What is the rightpart of a chemical equation called?

2H₂ + O₂ ----> 2 H₂O

• Reactants

• Products

• Yield

• Chemical reaction

• 5

• 55

• 40

• 8

Tags

NGSS.MS-PS1-1

• 1

• 4

• 8

• 2

Tags

NGSS.MS-PS1-1

• Coefficient

• Subscript

• Atom

• Equation

Tags

NGSS.MS-PS1-1

• YES

• NO

Tags

NGSS.MS-PS1-5

• Coefficient

• Subscript

• Atom

• Equation

Which of the following equations is correctly balanced?

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

• It is balanced.

• H₂ + 3Cl₂ ---> 6HCl

Tags

NGSS.MS-PS1-5

Balance this equation: HgO ---> 2Hg + O₂

• It is balanced.

• 2HgO ---> Hg + O₂

• 2HgO ---> 2Hg + O₂

• HgO ---> Hg + 2O₂

Tags

NGSS.MS-PS1-5