Chemistry, asked by misthivats30, 8 hours ago

Explain the formation of Calcium Oxide with the help of electron dot structure. (At numbers: Ca = 20; O = 8)

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Answered by Anonymous

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Answer:

Calcium reacts with oxygen to form an ionic compound calcium oxide (CaO). The atomic number of calcium is 20 and that of oxygen is 8 . By losing two electrons ,the calcium atom forms a calcium ion( Ca2+ ) ,and by gaining two electrons ,the oxygen atom forms an oxide ion (O2-).

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