Q1ChemistryUnit 9: Classification of Elements and Periodicity in Properties
In Newlands' table, which of the
following elements was not placed in the same group in which cobalt and
nickel were present?
Chemistry · JEE
Modern periodic law and present form of the periodic table Mock Test for JEE
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Part of Classification of Elements and Periodicity in Properties in JEE Main Chemistry.
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Q2ChemistryUnit 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
Q3ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The name of the element having atomic number was adopted in the honour of :
Q4ChemistryUnit 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.
Q5ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Law of Triad was proposed by:
Q6ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Which periods were not divided into two series in the Mendeleev's periodic
table?
Q7ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Write the correct alternatives:
According to Mendeleev's periodic law, properties of elements are periodic
function of their.
Q8ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The modern periodic table is ordered on the basis of:
Q9ChemistryUnit 9: Classification of Elements and Periodicity in Properties
If the atomic number of an element is
it will be placed in the periodic table
in the:
Q10ChemistryUnit 9: Classification of Elements and Periodicity in Properties
The three elements and with
similar properties have atomic masses
and respectively. The mass of is approximately equal to the average mass of and Such an
arrangement of elements called as:
Q11ChemistryUnit 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:
Q12ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Which of the following is true about Mendeleev's Periodic Table?
Q13ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Example of Dobereiner's triad is
Q14ChemistryUnit 9: Classification of Elements and Periodicity in Properties
Mendeleev arranged the known elements in a/an order of
their atomic masses.
Q15ChemistryUnit 9: Classification of Elements and Periodicity in Properties
In the periodic table, vertical columns of elements are called and horizontal
rows of elements are called
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Popular questions in Modern periodic law and present form of the periodic table
- Which of the following statement(s) about the Modern periodic table is/are incorrect? (i) The elements in the Modern per…
- Which of the following statement(s) is/are correct about the modern periodic table? This question has multiple correct …
- The name of the element having atomic number \( 100, \) was adopted in the honour of :…
- The modern periodic table is ordered on the basis of:…
- If three elements \( X, Y, \) and \( Z \) form a Dobereiner's triad and atomic weights of \( X \) and \( Z \) are 9 and …
- Write the correct alternatives: According to Mendeleev's periodic law, properties of elements are periodic function of t…
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