School
NGR
Welcome to Schoolngr.com
Home
School
News
C B T
Classroom
Exams
Search SchoolNGR
Search
Friday, 19 June 2026
Register
.
Login
Your browser does not seems to have Javascript enabled. Please enable Javascript in order to use all the features of this website!
What is the atomic number of an element whose cation Y+ has the electronic ...
Classroom
Chemistry Classroom
Waec
Waec 2008
More Topics
What is the atomic number of an element whose cation Y
+
has the electronic configuration 1s
2
2s
2
2p
6
?
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
9
B
10
C
11
D
12
Show Answer
Show Explanation
Correct Answer:
Option C
Explanation:
Prev
Current
Next
Share question on:
Facebook
X
WhatsApp
Study Subjects
Accounts - Principles of Accounts
Animal Husbandry
Aptitude Test
Agricultural Science
Arabic
Auto Mechanics
Basic Electronics
Biology
Bookkeeping
Block laying, bricklaying, and concreting work
Load More Subject
Stay Updated
Follow us on:
Facebook
X