The basis for Modern Periodic Table is ______________.

Academic Chemistry NCERT Class 10

The basis for Modern Periodic Table is atomic number.

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Updated on: 10-Oct-2022

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Mendeleev's basis for the Periodic Table is ____________.
State the Periodic Law on which the Modern Periodic Table is based.
Development of Modern Periodic Table
How could the modern periodic table remove various anomalies of Mendeleev’s Periodic Table?
Electronegativity of Elements in Modern periodic Table
Compare and contrast the arrangement of elements in Mendeleev’s Periodic Table and the Modern Periodic Table.
(a) How were the positions of isotopes of an element decided in the modern periodic table?(b) How were the positions of cobalt and nickel resolved in the modern periodic table? (c) Where should hydrogen be placed in the modern periodic table? Give reason for your answer.
“Hydrogen occupies a unique position in Modern Periodic Table”. Justify the statement.
(a) State modern periodic law.(b) How does the electronic configuration of the atom of an element relate to its position in the modern periodic table? (c) How could the modern periodic law remove various anomalies of Mendeleev’s periodic table? Explain with examples. (d) Is it possible to have an element having atomic number 1.5 placed between hydrogen and helium ? (e) Name the scientist who prepared modern periodic table.
In the modern periodic table, which are the metals among the first ten elements?
Total number of non-metal in the modern periodic table with their name.
Which of the following statement is correct in regard to the classification of elements ?(a) Elements in the periodic table are arranged on the basis of increasing atomic masses (b) Elements in Mendeleev’s periodic table are arranged on the basis of increasing atomic numbers (c) In modern periodic table, the element nickel of lower atomic mass is kept before the element cobalt of higher atomic mass (d) In modern periodic table, the isotopes of chlorine having diffrenet atomic masses are kept in the same group.
What is the Periodic Table?
Which of the following statement (s) about the Modern Periodic Table are incorrectThe elements in the Modern Periodic Table are arranged based on their decreasing atomic numberThe elements in the Modern Periodic Table are arranged based on their increasing atomic massesIsotopes are placed in adjoining group (s) in the Periodic TableThe elements in the Modern Periodic Table are arranged based on their increasing atomic number(a) (i) only(b) (i), (ii) and (iii)(c) (i), (ii) and (iv) (d) (iv) only
(a) On what basis did Mendeleev arrange the element in his periodic table.(b) On what basis are they arranged now?

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