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Hitman42 [59]
3 years ago
15

Can someone please use a periodic table and figure this out? I’m stuck.

Biology
1 answer:
hodyreva [135]3 years ago
3 0

I can help with the first one and third for you.


Symbol |  atomic # | Mass of # | # of Protons | # of electrons | # of neutrons

Na        |   11      |   23 (when rounded)  | 11  |                     11       | 12

Sr        |  38     |   88 (when rounded)   | 38 |                    38     | 50


(sorry if this didn't help)

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