What is the correct formula for calcium chloride? - ProProfs Discuss
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What is the correct formula for calcium chloride?

Asked by Kenward, Last updated: Nov 30, 2021

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2 Answers

John Adney

John Adney

John Adney
John Adney

Answered Dec 02, 2017

D.CaCl2

Because The valancy of Calcium (Ca) is 2 and Chloride (Cl) is1..

Therefor Ca1Cl2 = CaCl2..........

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John Smith

John Smith

John Smith
John Smith

Answered Sep 08, 2016

Cacl₂-calciums symbol is ca, and chlorines symbol is cl. calcium is an alkaline earth metal (2, 2a, or iia), which means it forms a +2 ion. chlorine is a halogen (17, 7b, or viia) and forms a -1 ion. the compound would be ionic (formed from elements on opposite sides of the periodic table): ca+2cl-1. writing the superscript of one ion as the subscript of the other gives the correct formula: l2, or more properly, cacl2. choice a. implies three elements: calcium, carbon, and an unknown element known as l.
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