⇦ | ⇨ |
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: - Which metal is extracted by complexing with KCN
- The number of moles of KMnO₄ reduced by one mole of KI in alkaline medium is
- Which one of the following statements is not correct for ortho and para hydrogen?
- The elements having the electronic configuration [Kr] 4d¹°f¹⁴,5s² p⁶d²,6s² belongs
- The metal used to recover copper from a solution of copper sulphate is
Topics: Classification of Elements and Periodicity
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which metal is extracted by complexing with KCN
- The number of moles of KMnO₄ reduced by one mole of KI in alkaline medium is
- Which one of the following statements is not correct for ortho and para hydrogen?
- The elements having the electronic configuration [Kr] 4d¹°f¹⁴,5s² p⁶d²,6s² belongs
- The metal used to recover copper from a solution of copper sulphate is
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply