In Mendeleev's periodic table, the elements were arranged in the increasing order of their atomic masses. However, cobalt with atomic mass of 58.93 amu was placed before nickel having an atomic mass of 58.69 amu. Reason for the same is that:a)the elements with similar size can be grouped togetherb)the elements with different properties can be grouped togetherc)the elements with similar properties can not be grouped togetherd)the elements with similar properties can be grouped togetherCorrect answer is option 'D'. Can you explain this answer?

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Class 10 Exam > Class 10 Questions > In Mendeleev's periodic table, the elements ...

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a)
the elements with similar size can be grouped together
b)
the elements with different properties can be grouped together
c)
the elements with similar properties can not be grouped together
d)
the elements with similar properties can be grouped together

Correct answer is option 'D'. Can you explain this answer?

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In Mendeleev's periodic table, the elements were arranged in the incr...

According to Mendeleev's classification, the properties of elements are the periodic function of their atomic masses and there is a periodic recurrence of elements with similar physical and chemical properties.

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In Mendeleev's periodic table,the elements were arranged in the increasing order of their atomic masses. However, cobalt with atomic mass of 58.93 amu was placed before nickel having an atomic mass of 58.69 amu.Reason for the same is that

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Read the passage and answer the questions :Mendeleev was a Russian chemist, who contributed the most for the development of periodic table of elements wherein the elements were arranged on the basis of their fundamental property, the atomic mass and also on the similarity of chemical properties. Only 63 elements were known at his time. He arranged the 63 elements in the increasing order of their atomic masses and found that there was a periodic recurrence of elements with similar physical and chemical properties. He observed that elements with similar properties fall in the same vertical column. These vertical columns are called groups and horizontal rows of elements are called periods. Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-silicon and Eka-aluminium.Q. Mendeleev’s periodic table has

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Read the passage and answer the questions :Mendeleev was a Russian chemist, who contributed the most for the development of periodic table of elements wherein the elements were arranged on the basis of their fundamental property, the atomic mass and also on the similarity of chemical properties. Only 63 elements were known at his time. He arranged the 63 elements in the increasing order of their atomic masses and found that there was a periodic recurrence of elements with similar physical and chemical properties. He observed that elements with similar properties fall in the same vertical column. These vertical columns are called groups and horizontal rows of elements are called periods. Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-silicon and Eka-aluminium.Q. Mendeleev arranged the periodic table on the basis of their fundamental property

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Read the passage and answer the questions :Mendeleev was a Russian chemist, who contributed the most for the development of periodic table of elements wherein the elements were arranged on the basis of their fundamental property, the atomic mass and also on the similarity of chemical properties. Only 63 elements were known at his time. He arranged the 63 elements in the increasing order of their atomic masses and found that there was a periodic recurrence of elements with similar physical and chemical properties. He observed that elements with similar properties fall in the same vertical column. These vertical columns are called groups and horizontal rows of elements are called periods. Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-silicon and Eka-aluminium.Q. The elements eka aluminium and eka silicon discovered by Mendeleev later found place in the periodic table. Both of these elements belong to

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Mendellev theory is that atomic mass is directly proportional to chemical properties but this was proven wrong So my question is that If it is wrong then if we increase atomic mass by increasing number of protons then also centripetal force between protons in nucleus and between electrons in shells changes? ?? HOW explain me?

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In Mendeleev's periodic table, the elements were arranged in the increasing order of their atomic masses. However, cobalt with atomic mass of 58.93 amu was placed before nickel having an atomic mass of 58.69 amu. Reason for the same is that:a)the elements with similar size can be grouped togetherb)the elements with different properties can be grouped togetherc)the elements with similar properties can not be grouped togetherd)the elements with similar properties can be grouped togetherCorrect answer is option 'D'. Can you explain this answer?

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In Mendeleev's periodic table, the elements were arranged in the increasing order of their atomic masses. However, cobalt with atomic mass of 58.93 amu was placed before nickel having an atomic mass of 58.69 amu. Reason for the same is that:a)the elements with similar size can be grouped togetherb)the elements with different properties can be grouped togetherc)the elements with similar properties can not be grouped togetherd)the elements with similar properties can be grouped togetherCorrect answer is option 'D'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about In Mendeleev's periodic table, the elements were arranged in the increasing order of their atomic masses. However, cobalt with atomic mass of 58.93 amu was placed before nickel having an atomic mass of 58.69 amu. Reason for the same is that:a)the elements with similar size can be grouped togetherb)the elements with different properties can be grouped togetherc)the elements with similar properties can not be grouped togetherd)the elements with similar properties can be grouped togetherCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In Mendeleev's periodic table, the elements were arranged in the increasing order of their atomic masses. However, cobalt with atomic mass of 58.93 amu was placed before nickel having an atomic mass of 58.69 amu. Reason for the same is that:a)the elements with similar size can be grouped togetherb)the elements with different properties can be grouped togetherc)the elements with similar properties can not be grouped togetherd)the elements with similar properties can be grouped togetherCorrect answer is option 'D'. Can you explain this answer?.

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