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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.
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संबंधित प्रश्न
Name the following:
An element having valency 'zero'
Name the following:
Metal with valency 2
Give reason
Argon does not react.
Write the formula of its (X)
sulphate
nitrate
phosphate
carbonate
hydroxide.
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidation.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^40_20Ca}\]
Number of valence electrons in carbon is ______.
The valency of noble gases is ______.
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.
