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Questions and Answers
Who made memorable contributions in the field of Periodic classification of elements?
Who made memorable contributions in the field of Periodic classification of elements?
- Dobereiner
- Newland
- Al-Razi
- Mendeleev (correct)
What was Al-Razi's classification based on?
What was Al-Razi's classification based on?
- Physical properties of substances
- The Law of
- Chemical properties of substances (correct)
- Atomic masses of elements
In what year did Dobereiner arrange the known elements in groups called Triads?
In what year did Dobereiner arrange the known elements in groups called Triads?
- 1855
- 1864
- 1829 (correct)
- 1826
How did Newland classify the elements in 1864?
How did Newland classify the elements in 1864?
What did Newland notice about every eighth element in his classification?
What did Newland notice about every eighth element in his classification?
True or false: Al-Razi's classification was based on the physical and chemical properties of substances?
True or false: Al-Razi's classification was based on the physical and chemical properties of substances?
True or false: Dobereiner arranged the known elements in groups called Triads in 1864?
True or false: Dobereiner arranged the known elements in groups called Triads in 1864?
True or false: Newland noticed that every eighth element had some properties in common with the first one?
True or false: Newland noticed that every eighth element had some properties in common with the first one?
True or false: Newland classified 62 elements in increasing order of their atomic masses?
True or false: Newland classified 62 elements in increasing order of their atomic masses?
True or false: Mendeleev made memorable contributions in the field of Periodic classification of elements?
True or false: Mendeleev made memorable contributions in the field of Periodic classification of elements?
Study Notes
Contributions to Periodic Classification of Elements
- Al-Razi made memorable contributions in the field of Periodic classification of elements.
- Al-Razi's classification was based on the physical and chemical properties of substances.
Dobereiner's Triads
- Dobereiner arranged the known elements in groups called Triads in 1829.
Newland's Classification
- Newland classified the elements in 1864.
- Newland classified elements in order of their atomic masses.
- Newland noticed that every eighth element had some properties in common with the first one.
Notable Contributions
- Mendeleev made memorable contributions in the field of Periodic classification of elements.
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Description
Test your knowledge on the early history of ideas leading up to the Periodic classification of elements. Explore the contributions of Al-Razi, Dobereiner, Newland, and Mendeleev in this fascinating quiz. Discover how these chemists classified elements based on their physical and chemical properties.
