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Trends in the periodic table
02 December 2018
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Last lesson recap Did all the metals react the same?
Discuss with the person next to you and try to decide which reacted the most and which the least Not all elements react in the same way!
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Trends in the table There are numerous patterns or trends in the reactivity of the elements in the periodic table. Group one (Demo) Clip of group one Group seven Clip of group seven
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Group 2 React a small amount of magnesium and calcium with 0.25M HCl in a test tube Use 1/3 of a tube of acid and one piece of metal Record your observations What is the trend in group 2?
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Trends across the periodic table
The repeating pattern
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Quick quiz Back of your book What is the other name for group 1?
What is the trend in reactivity for group 1? What is the trend in reactivity for group 7? What is a period (in chemistry)? What gas was given off when calcium reacted with the acid?
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