Class 11 Chemistry: Classification of Elements and Periodicity
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Q1 · MCQ · 1 mark
Which of the following elements has the highest first ionization enthalpy?
Q2 · MCQ · 1 mark
The general electronic configuration of d-block elements is:
Q3 · MCQ · 1 mark
Which group of elements is known as chalcogens?
Q4 · MCQ · 1 mark
Among the following, the element with the largest atomic radius is:
Q5 · MCQ · 1 mark
The most electronegative element in the periodic table is:
Q6 · FILL · 1 mark
The 'Law of Octaves' was proposed by ________.
Q7 · FILL · 1 mark
Elements with atomic number 103 belongs to the ________ block.
Q8 · FILL · 1 mark
The tendency of an atom to attract shared pair of electrons towards itself in a covalent bond is called ________.
Q9 · SHORT · 2 marks
Why are Noble gases generally unreactive?
Q10 · SHORT · 2 marks
Explain briefly why the size of an anion is larger than its parent atom.