CP- L1.3 Classifying Elements

CP- L1.3 Classifying Elements

by: Ms. Bailey and Ms. Hall

​Objective: KWBAT differentiate among solid, liquid and gas on the periodic table.

KWBAT locate metals, metalloids and nonmetals on the periodic table.

TEKS 8.5(C): interpret the arrangement of the Periodic Table, including groups and periods, to explain how properties are used to classify elements​

Lesson Vocabulary:

​

​Staircase line: a line on the periodic table that is used to locate metals, metalloids and nonmetals

Multiple Choice

What is the staircase line?

• a line on the periodic table that is used to locate nonmetals

• a line on the periodic table that is used to locate metals, metalloids and nonmetals

• a line on the periodic table that is used to locate metals and metalloids

Open Ended

Tell me three things you know about the periodic table . NUMBER your responses.

​Introducing the Unit Phenomenon

​

​We are going to watch a cool video that shows what happens when you put sodium in water.

​as you watch, think about:

​1. What did you observe when the piece of sodium reacted with water?

​2. What observations tell you that a chemical reaction has occured?

​3. What quetions do you have about he reaction?

Open Ended

what did you notice when the sodium reacted with water?

SS: I noticed.....

Open Ended

What observations tell you that a chemical reaction has occurred?

SS: I know that a chemical reaction occurred because I observed....

Why do some elements, such as sodium, react explosively in water?

Multiple Choice

What is the staircase line?

• a line on the periodic table that is used to locate nonmetals

• a line on the periodic table that is used to locate metals, metalloids and nonmetals

• a line on the periodic table that is used to locate metals and metalloids

Open Ended

How are elements classified based on their physical properties?

SS: Elements are classified based on physical properties such as.....

​Interactive Periodic Tabel

​On the next slide we will have a chance to manipulate the periodic table

​1. Open to a new page

​2. Title: Periodic Table Sort

​3. You are going to write down which elements are :

​a. gasses

​b. liquids

​c. solids

​4. Then you are going to describe the location of the metals on the table

​5. Explain where the nonmetals are located

​6. where are the metalloids located?

​7. Which group do the majority of the elements belong to?

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Multiple Choice

is Chlorine a gas?

• yes

• no

Multiple Choice

is Argon a gas?

• yes

• no

Multiple Choice

what is mercury?

• gas

• liquid

• solid

Multiple Choice

where are the metalloids located on the periodic table?

• they are the staircase from B-At and Ge and Sb

• they are to the left of the staircase from B-At and Ge and Sb

• they are to the right of the staircase from B-At and Ge and Sb

• they are the staircase from B-At

Multiple Choice

lithium is a ....

• gas

• liquid

• solid

Multiple Choice

Is neon a gas?

• yes

• no

Multiple Choice

which category has the most elements?

• nonmetals

• metalloids

• metals

• noble gasses

Multiple Choice

how are the elements on the periodic table classified ?

• they are organized by color

• they are organized by reactiveness

• they are organized by valence electron

• they are organized by number of energy levels

Multiple Choice

potassium is a ....

• gas

• liquid

• solid

Multiple Choice

where are the metals on the periodic table located?

• on the left, middle and to the left of the stair case

• on the right, middle and to the left of the stair case

• on the left, middle and to the right of the stair case

Multiple Choice

nickle is a ...

• gas

• liquid

• solid

Multiple Choice

Is Bromine a gas?

• yes, it is a gas

• no it is a liquid

Multiple Choice

where are the nonmetals located on the periodic table?

• hydrogen, to the right of the staircase and the lanthanide and actinide at the bottom.

• helium, to the right of the staircase and the lanthanide and actinide at the bottom.

• hydrogen, to the left of the staircase and the lanthanide and actinide at the bottom.

Exit ticket time!​

Multiple Choice

What is the staircase line?

• a line on the periodic table that is used to locate nonmetals

• a line on the periodic table that is used to locate metals, metalloids and nonmetals

• a line on the periodic table that is used to locate metals and metalloids

Multiple Select

Which of the following elements are metals? (select ALL that apply!)

• F

• Li

• Be

• Na

• Al

Multiple Select

Which of the following elements are nonmetals?  (select ALL that apply!)

• Ni

• O

• F

• Ne

• Mg

Multiple Select

Which of the following elements are solids at room temperature?  (select ALL that apply!)

• Ne

• Li

• Mg

• He

• Cu