- Trending Categories
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Which of the following elements has twice as many electrons in its second shell as in its first shell?
The element which has twice as many electrons in its second shell as in its first shell is Carbon. Its electronic configuration is 2,4. Therefore, it has 2 electrons in its K shell and 4 electrons in its L shell which twice the number of electrons in K shell.
- Related Articles
- Which element has:(a) two shells, both of which are completely filled with electrons? (b) the electronic configuration 2, 8, 2? (c) a total of three shells, with four electrons in its valence shell? (d) a total of two shells, with three electrons in its valence shell? (e) twice as many electrons in its second shell as its first shell?
- Helium atom has 2 electrons in its valence shell but its valency is not 2, Explain.
- Which noble gas has less than 8 electrons in the valence shell of its atom? What is this number?
- Prettyprint in MongoDB shell as default?
- Which of the following is the outermost shell for elements of the 2nd period?K-shellL-shellM-shellN-shell
- State the number of electrons present in the outermost shell of the atoms of the following elements :(i) Neon (ii) Chlorine
- What is the maximum number of electrons which can be accommodated in the :(a) innermost shell of an atom?(b) outermost shell of an atom?
- Which of the following elements has the same molecular mass as its atomic mass ?(a) nitrogen (b) neon (c) oxygen (d) chlorine
- What is the general name of the elements having 8 electrons in the valence shell of their atoms?
- An element A has two electrons in the outermost shell of its atom and combines with an element B having seven electrons in the outermost shell, forming the compound AB2. The compound when dissolved in water conducts electric current. Giving reasons, state the nature of chemical bond in the compound.
- Which shell of an atom can accommodate a maximum of :(a) 8 electrons? (a) 32 electrons?
- Name the shell of an atom which can accommodate a maximum of :(a) 2 electrons?(b) 18 electrons?
- What is the maximum number of electrons which can be accommodated in the K shell of an atom?
- What is the maximum number of electrons which can be accommodated in the L shell of an atom?
- The electrons present in the outermost shell are called(a) valency electrons (b) octate electrons(c) duplet electrons (d) valence electron.
Advertisements