Chemical Formulas/Equations

A chemical ______________ represents a substance.

• formula

• equation

• subscript

• mixture

Tags

NGSS.MS-PS1-1

What do we call the SMALL numbers in a chemical formula?

• coefficients

• subscripts

• exponents

• equations

Take inventory:

• H = 2

  O = 2

• H = 1

  O = 1

• H = 2

  O = 1

• H = 1

  O = 2

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

On which side of the arrow do we find reactants?

• Right

• Left

• Center

• Both sides

What do we call the LARGER numbers used at the beginning of a formula that is used to MULTIPLY?

• element symbol

• place holder

• subscript

• coefficient

The materials we START with in a reaction are the _______________.

• reactants

• products

• equations

• ingredients

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Take inventory:

• H = 3

  O = 3

• H = 6

  O = 1

• H = 2

  O = 1

• H = 6

  O = 3

Tags

NGSS.MS-PS1-1

A chemical ________________ uses formulas, plus signs, and an arrow to represent a REACTION.

• formula

• equation

• symbol

• coefficient

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

On which side of the arrow do we find products?

• Right

• Left

• Center

• Both sides

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Take inventory:

• H = 3

  O = 3

• H = 6

  O = 1

• H = 2

  O = 1

• H = 6

  O = 3

Tags

NGSS.MS-PS1-1