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प्रश्न
How many electrons are required or released by each atom in calcium oxide to attain the nearest noble gas configuration?
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उत्तर
In Calcium oxide, oxygen needs 2 electrons.
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संबंधित प्रश्न
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a non-metal.
Give electron dot diagram of the following:
methane
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
Give reason
`""_17^35"CI"` and `""_17^37"CI"` do not differ in their chemical reactions.
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^39_19K}\]
Elements with stable electronic configurations have eight electrons in their valence shell. They are ______.
Choose the odd one out and write the reason:
