The law of Octaves' was proposed by:
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Chemistry GK · all questionsPeriodic Classification of elements
Periodic Classification of elements
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Periodic classification of elements can be done on the basis of electronic configuration and is used to examine the
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Which of the following resembles the 10th element in Newland's periodic classification?
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Johann Dobereiner gave the idea of trends among physical and chemical properties of several groups of three elements, the relationship referred to as
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Chemical properties of elements, according to Lothar Meyer, is the periodic function of their
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Iron that resembles cobalt and nickel in properties has been kept far away from these elements. Which was one of its shortcomings-
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In Mendeleev's periodic table, iodine with lower atomic weight than that of tellurium was placed alongwith
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How many elements are there in the 5th Period of Modern Periodic Table?
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Scientists named Newlands, Mendeleev and Mayer developed . . . . . . . .?
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According to Newlands rule of octaves, . . . . . . . . which resembles cobalt and nickel in properties, is kept far away from these elements.
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Glucose molecule breaks down into . . . . . . . .
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. . . . . . . . is the largest atom in these elements?
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In modern periodic tables silicon (Z = 14) are placed between . . . . . . . . and . . . . . . . .?
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Which of the following statements is most appropriate for transition elements?
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What did Dmitry Mendeleev prepare?
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If an element has an atomic number of 20, its chemical properties will be similar to which of the following elements?
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If the electronic configuration of an element is 2, 8, 2, then which period of modern periodic table will it belong to?
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Match List I with List II
| List-I | List-II |
| a. Modern Periodic Law | 1. Groups |
| b. Father of Periodic Table | 2. Moseley |
| c. Vertical lines in Modern Periodic Table | 3. Periods |
| d. Horizontal lines in Modern Periodic Table | 4. Mendeleef |
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. . . . . . . . is the element present in the fourth period and the second group.
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The element X forms an oxide, whose formula is X2O3, the element X is more likely to have the same group in the periodic table as . . . . . . . .?
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