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प्रश्न
Write the formulae of chlorides of Eka-silicon and Eka-aluminium, the elements predicted by Mendeléev.
उत्तर
In the Mendeleev's periodic table Eka-silicon and Eka-aluminium later know to be germanium and gallium. Chlorides of germanium and gallium have the formula of GeCl4 and GaCl3.
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संबंधित प्रश्न
What were the two criteria used by Mendeleev to classify the elements in his periodic table?
State Mendeleev's periodic law.
What were the defects and anomalies in Mendeleeff's Periodic Table and how are they resolved by Moseley?
According to Mendeleev’s periodic law, properties of elements are periodic function of their _______.
In Mendeleev’s periodic table eka- silicon was later named as _______.
According to Mendeleev’s periodic law properties of elements are ______.
Write scientific reason.
Mendeleev kept vacant places in the periodic table.
What physical and chemical properties of elements did Mendeleev consider in compiling the periodic table?
Which of the following are the characteristics of isotopes of an element?
(i) Isotopes of an element have the same atomic masses
(ii) Isotopes of an element have the same atomic number
(iii) Isotopes of an element show the same physical properties
(iv) Isotopes of an element show the same chemical properties
In Mendeléev’s Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the periodic table later
