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Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties2 Marks
Question
Predict the formulae of the stable binary compounds that would be formed by the following pairs of elements:
  1. Silicon and oxygen.
  2. Aluminium and bromine.
  3. Calcium and iodine.
  4. Element with atomic number 114 and fluorine.
  5. Element with atomic number 120 and oxygen.
✓

Answer

  1. SiO2
  2. AlBr3
  3. Cal2
  4. UuqF4
  5. XO where 'X' is element with atomic number 120.

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