Q1ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Which of the following statement(s)
is/are correct about the modern
periodic table?
This question has multiple correct options
Chemistry · JEE
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Q2ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The name of the element having atomic number was adopted in the honour of :
Q3ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Which of the following statement(s) about the Modern periodic table is/are incorrect?
(i) The elements in the Modern periodic table are arranged on the basis of their decreasing atomic number.
(ii) The elements in the Modern periodic table are arranged on the basis of their increasing atomic number
(iii) Isotopes are placed in an adjoining group(s) in the periodic table.
Q4ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The modern periodic table is ordered on the basis of:
Q5ChemistryUnit 9: Classification of Elements and Periodicity in Properties
If three elements and form a Dobereiner's triad and atomic weights of and are 9 and 40 respectively
then the atomic weight of the element is approximately:
Q6ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The element placed with cerium, in the table formed by Newlands' was:
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s, p, d and f block elements
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Periodic trends in properties of elements: atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity
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