Question
Download Solution PDFIdentify the element that does NOT belong to Period 6 of the Modern Periodic Table.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Silicon. Key Points
- Period 6 of the Modern Periodic Table consists of elements from atomic number 55 (cesium) to atomic number 86 (radon).
- Silicon belongs to Period 3 of the Periodic Table and is not part of Period 6.
- Tungsten (atomic number 74), Rhenium (atomic number 75), and Platinum (atomic number 78) all belong to Period 6 of the Periodic Table.
- Tungsten is a transition metal that is commonly used in the manufacture of electrical contacts, filaments, and X-ray tubes.
- Rhenium is a rare and expensive metal that is used in high-temperature superalloys, as well as in the manufacture of electrical contacts and filaments.
- Platinum is a precious metal that is used in jewelry, as well as in the manufacture of catalytic converters, electrical contacts, and laboratory equipment.
Additional Information
- One type of chemical element is silicon.
- Its atomic number is 14 and its symbol is Si.
- It has a blue-grey metallic sheen and is a hard, brittle crystalline solid.
- It is a semiconductor and tetravalent metalloid.
- It belongs to the periodic table's group 14.
Last updated on Jul 19, 2025
-> The SSC CGL Notification 2025 has been announced for 14,582 vacancies of various Group B and C posts across central government departments.
-> CSIR NET City Intimation Slip 2025 has been released @csirnet.nta.ac.in.
-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025 in multiple shifts.
-> Aspirants should visit the official website @ssc.gov.in 2025 regularly for CGL Exam updates and latest announcements.
-> Candidates had filled out the SSC CGL Application Form from 9 June to 5 July, 2025. Now, 20 lakh+ candidates will be writing the SSC CGL 2025 Exam on the scheduled exam date. Download SSC Calendar 2025-25!
-> In the SSC CGL 2025 Notification, vacancies for two new posts, namely, "Section Head" and "Office Superintendent" have been announced.
-> Candidates can refer to the CGL Syllabus for a better understanding of the exam structure and pattern.
-> The CGL Eligibility is a bachelor’s degree in any discipline, with the age limit varying from post to post.
-> The SSC CGL Salary structure varies by post, with entry-level posts starting at Pay Level-4 (Rs. 25,500 to 81,100/-) and going up to Pay Level-7 (Rs. 44,900 to 1,42,400/-).
-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.