1
JEE Advanced 2019 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-1
Change Language
The ground state energy of hydrogen atom is $$-$$13.6 eV. Consider an electronic state $$\psi $$ of He+ whose energy, azimuthal quantum number and magnetic quantum number are $$-$$3.4 eV, 2 and 0, respectively.

Which of the following statement(s) is(are) true for the state $$\psi $$?
A
It is a 4d state
B
The nuclear charge experienced by the electron in this state is less than 2e, where e is the magnitude of the electronic charge
C
It has 2 angular nodes
D
It has 3 radial nodes
2
IIT-JEE 1999
MCQ (More than One Correct Answer)
+3
-0.75
Ground state electronic configuration of nitrogen atom can be represented by
A
IIT-JEE 1999 Chemistry - Structure of Atom Question 49 English Option 1
B
IIT-JEE 1999 Chemistry - Structure of Atom Question 49 English Option 2
C
IIT-JEE 1999 Chemistry - Structure of Atom Question 49 English Option 3
D
IIT-JEE 1999 Chemistry - Structure of Atom Question 49 English Option 4
3
IIT-JEE 1998
MCQ (More than One Correct Answer)
+2
-0.5
The energy of an electron in the first Bohr orbit of H atom is -13.6 eV. The possible energy value(s) of the excited state(s) for electrons in Bohr orbits of hydrogen is (are)
A
-3.4 eV
B
-4.2 eV
C
-6.8 eV
D
-1.5 eV
4
IIT-JEE 1998
MCQ (More than One Correct Answer)
+2
-0.5
Decrease in atomic number is observed during
A
alpha emission
B
beta amission
C
positron emisson
D
electron capture
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