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Periodic Classification of Elements Quiz
Class X
Science
Periodic Classification of Elements
10 questions
EASY
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Preview questions
1. Who proposed the periodic law?
Dmitri Mendeleev · John Dalton · J.J. Thomson · Ernest Rutherford
2. What is the basis of Mendeleev's periodic table?
Atomic mass · Atomic number · Electron configuration · Density
3. How many groups are there in the modern periodic table?
8 · 18 · 7 · 10
4. Which of the following elements is a noble gas?
Oxygen · Helium · Hydrogen · Nitrogen
5. Elements in the same group of the periodic table have similar:
Mass · Chemical properties · Atomic numbers · Electron affinity
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