Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Chemistry
Chemistry
Problem
An ion of selenium contains 36 electrons. What is the charge of this ion? (Selenium has atomic number 34.) a)
+
2
+2
+
2
b)
0
0
0
c)
−
2
-2
−
2
d)
−
1
-1
−
1
Browse the problem library