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Mendeleev proposed that some of the elements were still undiscovered and, therefore, left several gaps in the table. He left the gap under aluminium and a gap under silicon, and called these elements Eka-Aluminium and Eka-Silicon. These were later discovered and named
  • a)
    Mendelivium and Germanium respectively
  • b)
    Barium and Germanium respectively
  • c)
    Gallium and Godolinium respectively
  • d)
    Gallium and Germanium respectively
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Mendeleev proposed that some of the elements were still undiscovered a...
They were named as Gallium and Germanium respectively
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Mendeleev proposed that some of the elements were still undiscovered a...
Explanation:

Mendeleev's Proposal:
- Mendeleev proposed that some elements were still undiscovered and left gaps in the periodic table.
- He left gaps under aluminium and silicon, calling these elements Eka-Aluminium and Eka-Silicon.

Discovery of the Elements:
- The element under aluminium was discovered and named Gallium.
- The element under silicon was discovered and named Germanium.

Correct Answer:
- Therefore, the correct answer is option 'D', which states that the elements discovered were Gallium and Germanium.
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Mendeleev proposed that some of the elements were still undiscovered and, therefore, left several gaps in the table. He left the gap under aluminium and a gap under silicon, and called these elements Eka-Aluminium and Eka-Silicon. These were later discovered and nameda)Mendelivium and Germanium respectivelyb)Barium and Germanium respectivelyc)Gallium and Godolinium respectivelyd)Gallium and Germanium respectivelyCorrect answer is option 'D'. Can you explain this answer?
Question Description
Mendeleev proposed that some of the elements were still undiscovered and, therefore, left several gaps in the table. He left the gap under aluminium and a gap under silicon, and called these elements Eka-Aluminium and Eka-Silicon. These were later discovered and nameda)Mendelivium and Germanium respectivelyb)Barium and Germanium respectivelyc)Gallium and Godolinium respectivelyd)Gallium and Germanium respectivelyCorrect answer is option 'D'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Mendeleev proposed that some of the elements were still undiscovered and, therefore, left several gaps in the table. He left the gap under aluminium and a gap under silicon, and called these elements Eka-Aluminium and Eka-Silicon. These were later discovered and nameda)Mendelivium and Germanium respectivelyb)Barium and Germanium respectivelyc)Gallium and Godolinium respectivelyd)Gallium and Germanium respectivelyCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Mendeleev proposed that some of the elements were still undiscovered and, therefore, left several gaps in the table. He left the gap under aluminium and a gap under silicon, and called these elements Eka-Aluminium and Eka-Silicon. These were later discovered and nameda)Mendelivium and Germanium respectivelyb)Barium and Germanium respectivelyc)Gallium and Godolinium respectivelyd)Gallium and Germanium respectivelyCorrect answer is option 'D'. Can you explain this answer?.
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