Element having atomic no.of 56 belongs to which of the following block

Element Having Atomic Noof 56 Belongs To Which Of The Chemistry Question

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.

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Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)

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