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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
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a non-metal.
(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?
What type of bond is formed between two atoms, when the electronegative difference between them is low ?
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms a cation?
Name an element which does not contain neutron.
Name the following:
The shell closest to the nucleus of an atom
Give reason
`""_17^35"CI"` and `""_17^37"CI"` do not differ in their chemical reactions.
State the type of bonding in the following molecules.
Hydrogen chloride
Copy and complete the following table relating to the atomic structure of some elements:
| Element | Atomic Number | Mass Number | Number of protons | Number of Neutrons | Number of Electrons |
| Beryllium | 4 | 9 | |||
| Fluorine | 9 | 10 | |||
| Sodium | 12 | 11 | |||
| Aluminium | 27 | 13 | |||
| Phosphorus | 31 | 15 |
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
