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Properties of Elements

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Presentation on theme: "Properties of Elements"— Presentation transcript:

1 Properties of Elements

2 First 3 to successfully complete gold dust kid = prize Periodic table in planner will help

3 In pairs, 1 minute… You should be prepared to give an example of a solid, liquid and gas from the periodic table You should be prepared to given an example of a metal and non-metal from the periodic table

4 The Periodic Table of Elements

5 Elements have different properties
Malleable Dull Liquid Non-metal Solid Metal Gas Hard Unreactive Reactive Shiny Soft Brittle

6 Flame Tests Equipment: Bunsen Burner, heat proof mat, goggles, table

7 Flame Test Key Element Flame colour Calcium Orange-Red Copper
Blue-Green Lead Blue/White Barium Light Green Potassium Lilac Sodium Yellow

8 Which elements are found in Milk and Cornflakes?

9 What do our bodies need calcium and iron for?
How could we prove that there is iron in cornflakes?

10 Density Element Weight (g) Heavy Light

11 Density The amount of stuff in an area... ...more stuff = more dense.

12 Electrical Conductors
Which elements can conduct electricity?

13 Electrical Conductors
Element Conductor Yes No 1 2 3 4 5 6 7 8 9 10 11 12 Electrical Conductors Which elements can conduct electricity?

14 Which element conducts heat the best?
Copper or Iron? 1 1 How will you ensure a fair test?

15 Which metal would be best for making a frying pan?
Which element conducts heat best? brass Predict: Which metal will the rivets drop off first? Observe: Complete the practical and record the results copper iron Explain: Why did the rivets fall off first? (use the word conduct/or) Which metal would be best for making a frying pan? aluminium

16 Thick or Thin? Copper or Iron?
1 1 Copper or Iron? 1 1

17 Alkali Metals

18 Halogens All are toxic

19 Halogens

20 Nobel Gases Not very reactive (inert)

21 Nobel Gases Helium Neon Argon

22 Nobel Gases

23 Properties of Elements


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