Warm Up: Atomic Structure

Warm Up:

Atomic Structure

Review

Multiple Choice

What is the ATOMIC NUMBER of the element shown?

• 19

• K

• 39.098

• Potassium

Multiple Choice

What is the ATOMIC MASS of the element shown?

• 19

• K

• 39.098

• Potassium

Multiple Choice

What is the ATOMIC SYMBOL of the element shown?

• 19

• K

• 39.098

• Potassium

Multiple Choice

What is the ELEMENT NAME of the element shown?

• 19

• K

• 39.098

• Potassium

• ​Protons

​What does this tell us?

• ​Protons

  • ​= atomic #

​What does this tell us?

• ​Protons

  • ​= atomic #

  • ​Protons = 17

​What does this tell us?

• ​Protons

  • ​= atomic #

  • ​Protons = 17

• ​Neutrons

​What does this tell us?

• ​Protons

  • ​= atomic #

  • ​Protons = 17

• ​Neutrons

  • ​Protons + Neutrons = Atomic Mass

​What does this tell us?

• ​Protons

  • ​= atomic #

  • ​Protons = 17

• ​Neutrons

  • ​Protons + Neutrons = Atomic Mass

  • ​     17      +        ?        =   35

​What does this tell us?

• ​Protons

  • ​= atomic #

  • ​Protons = 17

• ​Neutrons

  • ​Protons + Neutrons = Atomic Mass

  • ​     17      +        ?        =   35

  • ​35 - 17 = ?

​What does this tell us?

• ​Protons

  • ​= atomic #

  • ​Protons = 17

• ​Neutrons

  • ​Protons + Neutrons = Atomic Mass

  • ​     17      +        ?        =   35

  • ​35 - 17 = ?

  • Neutrons = 18

​What does this tell us?

Multiple Choice

How many PROTONS does Potassium have?

• 19

• 20

• 40

• 39

Multiple Choice

What is the Atomic Mass of Potassium, rounded to the nearest whole number?

• 19

• 20

• 40

• 39

Multiple Choice

How many neutrons does the average atom of Potassium have?

• 19

• 20

• 40

• 39

REVIEW:

Law of Conservation of Mass​

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