Consider this ionic isotope. The identity of the element is missing. 39 ? 2+ 20 Which three statements are true? It's calcium

Question

Consider this ionic isotope. The identity of the element is missing.
39 ? 2+
20
Which three statements are true?
It's calcium
It's a cation
It's an anion
It has more than 17 neutrons
It's yttrium
It has gained two electrons
The nuclear charge is 39
The mass number is 20

Kunduz · Accepted Answer

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