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Element having atomic no.of 56 belongs to which of the following block of periodic table
Options
(a) p-block
(b) d-block
(c) f-block
(d) s-block
Correct Answer:
s-block
Explanation:
Consider Barium having atomic number 56
It’s electronic configuration is 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d¹⁰5s²5p⁶6s²
It contain 2 electrons in the valence shell, hence it is placed in 2 group of the periodic table that means s-block element.
Related Questions: - Pyridine is less basic than triethylamine because
- A gas z is bubbled through a solution containing x⁻ and y⁻. If the reduction
- A gas has a vapour density 11.2.The volume occupied by 1 g of gas at NTP is
- Which of the following molecules has the maximum dipoles moment
- When sodium bicarbonate is heated strongly for calcined in a Kiln, it forms
Topics: Classification of Elements and Periodicity
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Pyridine is less basic than triethylamine because
- A gas z is bubbled through a solution containing x⁻ and y⁻. If the reduction
- A gas has a vapour density 11.2.The volume occupied by 1 g of gas at NTP is
- Which of the following molecules has the maximum dipoles moment
- When sodium bicarbonate is heated strongly for calcined in a Kiln, it forms
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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