Which of the following represents the correct electron distribution in magnesium ion?
(a) 2, 8 (b) 2, 8, 1 (c) 2, 8, 2 (d) 2, 8, 3
Correct Answer: (a) 2, 8
Explanation: Magnesium ion, Mg2+ has 10 electrons; hence, its electronic configuration is 2, 8.
Related Articles
- Which of the following is the correct electronic configuration of sodium?(a) 2, 8, 1 (b) 8, 2, 1 (c) 2, 1, 8 (d) 2, 8, 2
- The correct electronic configuration of a chloride ion is :(a) 2, 8 (b) 2, 8, 4 (c) 2, 8, 8 (d) 2, 8, 7
- The electronic configuration of chlorine is(a) 2, 7 (b) 2, 8, 8, 7(c) 2, 8, 7 (d) 2, 7, 8.
- Simplify the following:$8^7 \times 8^2 \times (8^3)^2$
- Which of the following correctly represent the electronic distribution in the Mg atom?3, 8, 12, 8, 21, 8, 38, 2, 2
- Identify and name the metals out of the following elements whose electronic configurations are given below.(a) 2, 8, 2(b) 2, 8, 1(c) 2, 8, 7(d) 2, 1
- The electron distribution in an aluminium atom is2, 8, 32, 8, 28, 2, 32, 3, 8
- C++ program to find nth Term of the Series 1 2 2 4 4 4 4 8 8 8 8 8 8 8 8 …
- Solve the following :$8\frac{1}{2} - 3\frac{5}{8}$
- Simplify the following:\( \frac{6(8)^{n+1}+16(2)^{3 n-2}}{10(2)^{3 n+1}-7(8)^{n}} \)
- Simplify:\( 6(2 a+3 b)^{2}-8(2 a+3 b) \)
- 1/2+2/8+1/4
- Add the following:(a) \( (-7)-8-(-25) \)(b) \( (-13)+32-8-1 \)(c) \( (-7)+(-8)+(-90) \)(d) \( 50-(-40)-(-2) \)
- Solve:a) $-4(2+x) = 8$ b) $4(2-x) = 8$
- Simplify the following expressions:\( (\sqrt{8}-\sqrt{2})(\sqrt{8}+\sqrt{2}) \)
Kickstart Your Career
Get certified by completing the course
Get Started
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