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Chemistry Quiz: Classification of Elements and Periodicity in Properties
Class XI
Chemistry
Classification of Elements and Periodicity in Properties
13 questions
MEDIUM
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Preview questions
1. What is the basis for the modern periodic table?
Atomic mass · Atomic number · Molecular weight · Electron affinity
2. Which group of elements is known as the noble gases?
Group 1 · Group 2 · Group 17 · Group 18
3. What property decreases across a period from left to right?
Atomic radius · Ionization energy · Electronegativity · Metallic character
4. Which element has the highest electronegativity?
Fluorine · Oxygen · Chlorine · Nitrogen
5. Which of the following elements is a metalloid?
Sodium · Silicon · Chlorine · Calcium
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