| ⇦ | 
| ⇨ |
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: - What is the entropy change (in J K⁻¹ mol⁻¹) when one mole of ice is converted
- Heroin is formed from …. by acetylation
- Which of the following coordination compounds would exhibit optical isomerism
- Dumas method involves the determination of nitrogen content in the organic
- Hydrolytic reaction of fats, with caustic soda, is known as
Topics: Classification of Elements and Periodicity
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What is the entropy change (in J K⁻¹ mol⁻¹) when one mole of ice is converted
- Heroin is formed from …. by acetylation
- Which of the following coordination compounds would exhibit optical isomerism
- Dumas method involves the determination of nitrogen content in the organic
- Hydrolytic reaction of fats, with caustic soda, is known as
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