Question

Give one example of each:
(I) Monovalent cation (2) Bivalent cation
(3) Monovalent anion (4) Bivalent anion

Answer 1

Answer:

1-Na+

2-Mg2+

3-Cl-

4-O2-

Answer 2

Explanation:

1)Monovalent cation examples H + hydrogen ion (aka a “proton”) Na + sodium ion K + potassium ion NH 4 + ammonium ion Li + lithium ion Divalentcation examples Mg ++ magnesium ionCa ++ calcium ion Monovalent anionexamples Cl chloride ion Additional ionsyou should be able to know/recognize…

2)monovalent anion :Since they now have more electrons than protons,anions have a negative charge. For example, chloride ions Cl- , bromide Br- , iodide I-. These aremonovalent anions, meaning they have a valency (combining capacity} with only one ion of hydrogen. ... An ion is an atom (or group of atoms) with an electrical charge.

3)A bivalent cation is an cation with an overall charge of +2 and so valence of 2. It is also known as divalent cation.Example :- A magnesium ion, Mg2+ is adivalent cation. A bivalent anion is an anion with an overall charge of -2 and so valence of 2.

4)For example, chloride ions Cl- , bromide Br- , iodide I-. These are monovalent anions, meaning they have a valency (combining capacity} with only one ion of hydrogen.

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