Question

example of trivalent element with formula​

Answer 1

Explanation:

travelin element means the element which has valency same

valency Meas the number of electrons in last outermost shell this is nothing but the valency

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Answer 2

Answer:

For example, the Cs+ cation is a univalent or monovalent cation, whereas the Ca2+ cation is a divalent cation, and the Fe3+ cation is a trivalent cation. Unlike Cs and Ca, Fe can also exist in other charge states, notably 2+ and 4+, and is thus known as a multivalent (polyvalent) ion.

Explanation:

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