15.1b The metal reactivity series

Lesson 15.1 The metal reactivity series
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ChemSecondary Education

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Lesson 15.1 The metal reactivity series

Slide 1 - Tekstslide

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Slide 2 - Poll

  • I can describe the reactions, if any, of:(a) potassium, sodium and calcium with cold water; (b) magnesium with steam; (c) magnesium, zinc, iron, copper, silver and gold with dilute hydrochloric acid and explain these reactions in terms of the position of the metals in the reactivity series.
GOAL

Slide 3 - Tekstslide

Slide 4 - Tekstslide

Lesson 15.1 The metal reactivity series

Slide 5 - Tekstslide

Slide 6 - Tekstslide

Reaction with cold water
  • more reactive metals (K, Na, Ca) = react with cold water
FOCUS: Reaction of Metals 
metal
metal hydroxide
water
hydrogen
+
+

Slide 7 - Tekstslide

What new aqueous substance is produced from the reaction of metal and cold water?
A
metal oxide
B
metal hydroxide
C
hydrogen
D
water vapour

Slide 8 - Quizvraag

Which of the following metals DOES NOT react with cold water?
A
gold
B
potassium
C
calcium
D
sodium

Slide 9 - Quizvraag

Which of the following gases is produced from the reaction of metals and cold water?
A
oxygen
B
nitrogen
C
helium
D
hydrogen

Slide 10 - Quizvraag

If calcium (s) reacts with cold water, what new aqueous substance is produced?
A
calcium oxide
B
calcium crystals
C
calcium hydroxide
D
calcium monoxide

Slide 11 - Quizvraag

Reaction with steam
  • less reactive metals (below Ca in RS) = react with steam
FOCUS: Reaction of Metals 
metal
metal oxide (s)
steam
hydrogen
+
+

Slide 12 - Tekstslide

Which of the following metals reacts with steam easily?
A
calcium
B
magnesium
C
gold
D
copper

Slide 13 - Quizvraag

What new solid substance is produced from the reaction of metal and steam?
A
metal oxide
B
metal hydroxide
C
hydrogen
D
water vapour

Slide 14 - Quizvraag

Reaction with dilute acids
  • metals above hydrogen in RS = react with dilute acids 
FOCUS: Reaction of Metals 
metal
salt (aq)
acid
hydrogen
+
+
(example: Mg, Zn, Iron + H2SO4 / HCl )

Slide 15 - Tekstslide

The following metals do react with dilute acids except _________.
A
gold
B
copper
C
potassium
D
silver

Slide 16 - Quizvraag

The more reactive the metal, the ________________ the reaction will be.
A
more vigorous
B
more rigorous
C
stronger
D
A and C

Slide 17 - Quizvraag

Which of the following metals is very dangerous and reacts explosively with acids?
A
potassium
B
gold
C
copper
D
magnesium

Slide 18 - Quizvraag

What new substance is produced from the reaction of metal and dilute acids?
A
metal oxide
B
metal hydroxide
C
salt solution
D
salt

Slide 19 - Quizvraag

Reaction with oxygen
  • reactive metals (esp. alkali metals) = react easily with oxygen (also Ag, Cu, Fe but slowly)
FOCUS: Reaction of Metals 
metal
metal oxide (s)
oxygen
+
(Gold does not react with oxygen.)

Slide 20 - Tekstslide

What group of metals reacts quickly or easily in air (oxygen)?
A
alkaline earth metals
B
alkali metals
C
transition metals
D
lanthanides

Slide 21 - Quizvraag

Which of the following metals reacts more slowly with oxygen in air?
A
potassium
B
calcium
C
iron
D
sodium

Slide 22 - Quizvraag

Slide 23 - Tekstslide

Slide 24 - Tekstslide

The order of reactivity of metals can be deduced by _____________.
A
making experimental observations
B
making predictions
C
making conclusions
D
making a hypothesis

Slide 25 - Quizvraag

State the relationship of how vigorous the reaction is and the location in the reactivity series.

Slide 26 - Open vraag

  • Reaction of water (cold or steam)
  • Reaction with dilute acids
  • Reaction with oxygen in air
  • Temperature change 
FOCUS: Experimental Observations 

Slide 27 - Tekstslide

Lesson 15.1 The metal reactivity series
14-09-2022

Slide 28 - Tekstslide

Slide 29 - Tekstslide

Slide 30 - Tekstslide

I THINK I NEED MORE PRACTICE ON:
1 - I can describe the reactions, if any, of:(a) potassium, sodium and calcium with cold water; (b) magnesium with steam; (c) magnesium, zinc, iron, copper, silver and gold with dilute hydrochloric acid and explain these reactions in terms of the position of the metals in the reactivity series.
1
I am now confident.

Slide 31 - Poll

HOW WELL DID YOU PARTICIPATE TODAY?
1 - I need to participate more! ⚠️
2 - I have participated and I will do more next time! ☺️
3 - I did an excellent job today! πŸ†
13

Slide 32 - Poll