Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Chemistry
Chemistry
Problem
The first ionisation energy of first atom is greater than that of second atom, whereas reverse order is true for their second ionisation energy. Which set of elements is in accordance to above statement ? a.
C
>
B
C > B
C
>
B
b.
P
>
S
P > S
P
>
S
c.
B
e
>
B
Be > B
B
e
>
B
d.
M
g
>
N
a
Mg > Na
M
g
>
N
a
Browse the problem library