Question

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1)Name the anion in Ca(OH
2.​

Answer 1

Answer:

Two anion in Ca(OH)2 are : two calcium ions (Ca 2+) and two hydroxide ions (OH minus)

Answer 2

Answer:

Polyatomic ions are a set of covalently bonded atoms that have an overall charge , making them an ion. For example; the hydroxide ion has the formula OH

$oh ^ - 1$

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