kkwashere13 kkwashere13
  • 03-02-2020
  • Chemistry
contestada

Refer to a periodic table. In which period is calcium?
6
4
2
8

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jasminMirandajimenez
jasminMirandajimenez jasminMirandajimenez
  • 03-02-2020

Here look at this image it might help you if not then i will see what i can help you with

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