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प्रश्न
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one :
State type of bond between Y and Z and give its molecular formula.
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उत्तर
Ionic bond with molecular formula ZY2.
संबंधित प्रश्न
Explain the following briefly:
Helium does not form He2 molecule
State the following is a reduction reaction or oxidation reaction.
\[\ce{Pb -> Pb^2+ + 2e-}\]
State the following is a reduction reaction or oxidation reaction.
\[\ce{Fe^2+ - e- -> Fe^3+}\]
Give reason
`""_17^35"CI"` and `""_17^37"CI"` do not differ in their chemical reactions.
Compare :
Sodium atom and sodium ion
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.
Give the orbital diagram of the following:
Methane
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 |
Complete the following table:
| a. | Dativebond | ______ |
| b. | CaH2 → Ca+H2 | ______ |
| c. | ______ | Reduction |
| d. | ______ | Redox reaction |
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
