Fill in the blanks by picking the correct option. There are _________ groups and…
Chemistry · Class 11 · CBSE — Classification of Elements and Periodicity in Properties
Fill in the blanks by picking the correct option.
There are _________ groups and _________ periods in the extended form of periodic table. The group, all members of which are in gaseous state under ordinary conditions is _________ group. Most electropositive elements belong to _________ group.
There are _________ groups and _________ periods in the extended form of periodic table. The group, all members of which are in gaseous state under ordinary conditions is _________ group. Most electropositive elements belong to _________ group.
- 16, 8, 17, 2
- 18, 7, 18 1
- 8, 7, 0, 2
- 16, 8, 18, 1
Answer
(B) 18, 7, 18 1
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Why is the electron gain enthalpy of O or F less than that of S or Cl?
- Which of the following sets of oxides is amphoteric in nature?
- What is common between given cations and anions, O 2– , F – , Na + , Mg 2+ , Al 3+ ?
- In which of the following, the order is not in accordance with the property mentioned.
- Which of the following statements regarding the variation of atomic radii in the periodic table is not true?
- Which atom ( X ) is indicated by the following configuration? X → [Ne] 3 s 2 3 p 3
- Ionisation enthalpy of nitrogen is more than oxygen because of
- Few values of enthalpies are given below: O = – 141 kJ mol –1 , F = – 328 kJ mol –1 , S = – 200 kJ mol –1 …
More Classification of Elements and Periodicity in Properties questions · Browse all practice questions