This is a simple information sheet which shows a way of calculating the number of protons, neutrons and electrons from any atom on the Periodic Table. It also explains why group 1 metals become more reactive as you go down the group and group 7 become less reactive.
This is also available free as part of my periodic tables (Newlands, Mendeleev etc). Click here for free Periodic Tables:
tes.com/teaching-resource/periodic-table-12183592
For more free and paid resources, please check out my shop at:
https://www.tes.com/teaching-resources/shop/stephenkemp193
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