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प्रश्न
State the type of bonding in the following molecules.
Calcium oxide
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उत्तर
Ionic bond
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संबंधित प्रश्न
(i) How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
(ii) How many electrons are required for their octet structure?
Explain the following briefly:
Helium does not form He2 molecule
A Compound 'X' consists of only molecules. Hence 'X' will have
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2, 8, 1 |
2, 8, 7 |
2, 5 |
1 |
Answer the following question based on the table above:
What is the formula of the compound formed between W and X.
Why do they exist as monoatoms in molecules?
Give reason
Argon does not react.
An element M burns in oxygen to form an ionic compound MO. Write the formula of the compounds formed if this element is made to continue with chlorine and sulfur separately.
In the formation of magnesium chloride (by direct combination between magnesium and chlorine), name the substance that is oxidized and the substance that is reduced.
How many atoms of each kind are present in the following molecule:
water
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a metal.
