Which of the following is true for modern periodic table?

It is in increasing order of atomic number.

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Isotopes take the same place as the element

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Allotropes take the same place as the element

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All of these

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Solution

The correct option is D
All of these

If you observe modern periodic table, the first statement is obvious.

Carbon has many isotopes and many allotropes. But even so, there is only one place for carbon.

Thus, the statements mentioned below are also true.

(i) Isotopes take the same place as the element

(ii) Allotropes take the same place as the element

Suggest Corrections

Similar questions

Which of the following statement is correct in regard to the classification of elements?

(a) Elements in the modern periodic table are arranged on the basis of increasing atomic numbers

(b) Elements in Mendeleev’s periodic table are arranged on the basis of increasing atomic numbers

(c) In the modern periodic table, the element nickel of lower atomic mass is kept before the element cobalt of higher atomic mass.

(d) In the modern periodic table, the isotopes of chlorine having different atomic masses are kept in the same group.

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