1
IIT-JEE 1982
Fill in the Blanks
+1
-0
The mass of a hydrogen atom is ______ kg.
2
IIT-JEE 1982
Fill in the Blanks
+1
-0
Isotopes of an element differ in the number of ______ in their nuclei.
3
IIT-JEE 1982
Fill in the Blanks
+1
-0
When there are two electrons in the same orbital, they have _____ spins.
4
IIT-JEE 1982
True or False
+1
-0
The outer electronic configuration of the ground state chromium atom is 3d4 4s2
A
TRUE
B
FALSE
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