Periodic Table and Atomic Properties — Important Questions
Telangana Open School (TOSS) · Class 12 · Chemistry
43 important questions from Periodic Table and Atomic Properties for Telangana Open School (TOSS) Class 12 Chemistry, with answers.
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Important Questions from Periodic Table and Atomic Properties
Which of the following is a noble gas?
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Neon
Noble gases are in Group 18 and have completely filled valence shells. Neon is one of them.
What is the general outer electronic configuration of s-block elements?
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ns¹⁻²
s-block elements have their differentiating electron in the s-orbital, so their configuration is ns¹ or ns².
Which block contains the transition metals?
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d-block
Transition metals are found in groups 3 to 12 and are characterized by filling of d-orbitals.
Which of the following elements is a metalloid?
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Silicon
Silicon lies along the diagonal line between metals and non-metals and shows properties of both, making it a metalloid.
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