eliasnajah eliasnajah

15-10-2020
Physics

contestada

If an atom of Calcium has 21 electrons is it a...?

A) isotope

B) calcium does not have electrons

C) normal, no charge

D) ion

Respuesta :

Аноним Аноним

15-10-2020

Answer:

D) ion

Explanation:

A stable atom of calcium has 20 electrons

Answer Link

sftballchick45 sftballchick45

15-10-2020

Answer:

A - Isotope

Explanation:

Answer Link

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