Question

Which of the following is an anion with Valency two?

(A)Sulphate

(B) Carbonate

(C) hydride

(D)Phosphate.​

Answer 1

Answer:

Alkaline earth meals have valency 2. Examples include beryllim (Be), magnesium (Mg), calcium (Ca), strontium (Sr) and barium (Ba).

Because of this one calcium atom combines with two chlorine atoms to form one molecule of calcium chloride (CaCl

2

).

Explanation:

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Answer 2

Answer:

(B) Carbonate the correct answer