Mathematics, 06.10.2021 21:50 arizmendiivan713

How well can you use your Periodic Table? Which element is in period 2. group 18?
Which element is in period 4. group 2?
Which element is in period 3, group 16
How many protons does an elements atom have that is located in period 4, group 5

How well can you use your Periodic Table?

Which element is in period 2. group 18?
Which element i

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How well can you use your Periodic Table? Which element is in period 2. group 18?
Which elem...