JEE Main 2020 (Online) 3rd September Evening Slot | Structure of Atom Question 110 | Chemistry

Consider the hypothetical situation where the azimuthal quantum number, $$l$$, takes values 0, 1, 2, ....., n + 1, where n is the principal quantum number. Then, the element with atomic number :

13 has a half-filled valence subshell

9 is the first alkali metal

8 is the first noble gas

6 has a 2p-valence subshell

JEE Main 2020 (Online) 2nd September Evening Slot

MCQ (Single Correct Answer)

-1

The number of subshells associated with n = 4 and m = –2 quantum numbers is

JEE Main 2020 (Online) 2nd September Morning Slot

MCQ (Single Correct Answer)

-1

The figure that is not a direct manifestation of the quantum nature of atoms is :

JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Structure of Atom Question 113 English Option 1

JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Structure of Atom Question 113 English Option 2

JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Structure of Atom Question 113 English Option 3

JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Structure of Atom Question 113 English Option 4

JEE Main 2020 (Online) 9th January Morning Slot

MCQ (Single Correct Answer)

-1

The de Broglie wavelength of an electron in the 4th Bohr orbit is :

2$$\pi $$a₀

6$$\pi $$a₀

8$$\pi $$a₀

4$$\pi $$a₀

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