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Mendeleev's Periodic Table

Match the fol...

Question

Match the following elements from Mendeleev's periodic table to their names in the modern periodic table.

A

Gallium

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B

Scandium

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C

Germanium

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Solution

Mendeleev predicted that the properties of the three unknown elements namely eka-boron, eka-aluminium and eka-silicon were similar to that of boron, aluminium and silicon. These elements were later discovered and named as scandium, gallium and germanium respectively.

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Similar questions

Q. Which of the following element(s) in the modern periodic table resemble elements predicted by Mendeleev?

(More than one option is correct)

Q. Which group elements of modern periodic table were placed along with alkali metals in Mendeleev table?

Q. 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.

Q. Assertion :The placement of isotopes in Mendeleev's periodic table overcome in the modern periodic table. Reason: In modern periodic table, the elements have been allotted places based on their atomic numbers

Q. Match the elements with the block they belong to in the modern periodic table.

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