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what impact

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Each element has a symbol that has maximum two letters for the symbol notation

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Each element has a symbol that has maximum two letters for the symbol notation

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Why do we include the elements that decay so rapidly that they have little to no use?

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Why do we include the elements that decay so rapidly that they have little to no use?

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how do you remember all the patterns

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I forgot why the reactivity is switched on either side going up and down the periods

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What puzzles me about these patterns, what questions do I have?

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The more protons they have, the more likely they are to be named after a country

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Elements in the same group share similar characteristics and behaviours. ie. Cu, Ag & AU being resistant to corrosion and having low electrical resistance.

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What do I think I know about the patterns in elemental properties already?

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Reactivity increases when you go down the metals but decreases with the non-metals(ie. halogens)

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Reactivity increases when you go down the metals but decreases with the non-metals(ie. halogens)

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On the left side of the periodic table, atoms get more reactive as they move down the periods, but its reversed on the right side.