Chemistry Quiz on Structure Of Atom for IIT JEE, NEET, Medical & Engineering Exam 2021

Chemistry Quiz on Structure Of Atom

Chemistry Quiz on Structure Of Atom: NEET/JEE Chemistry is considered to be the most scoring subject. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry. In this post we are providing you Chemistry quiz on Structure Of Atom.

Chemistry Quiz on Structure Of Atom

1. 3p orbital has _____ radial nodes

(a) three

(b) two

(c) one

(d) none

Answer: (c)

2. A 0.66 kg ball is moving with a speed of 100 m/s. Find its wavelength

(a) 6.6 × 10^-34 m

(b) 6.6 × 10^-32 m

(c) 1.0 × 10^-32 m

(d) 1.0 × 10^-35 m

Answer: (d)

3. How many orbitals can have the following set of quantum numbers, n = 3, l = 1, m₁ = 0 ?

(a) 3

(b) 1

(c) 4

(d) 2

Answer: (b)

4. Electronic configuration of the outer shell of the element Gd with atomic number 64 is

(a) 4f⁴ 5d⁵ 6s¹

(b) 4f³ 5d⁵ 6s²

(c) 4f⁵ 5d⁴ 6s¹

(d) 4f⁷ 5d¹ 6s²

5. Maximum number of electrons in a subshell can be

(a) 4l + 2

(b) 4l – 2

(c) 2n²

(d) 2l + 1

6. The excitation energy of a hydrogen atom from its ground state to its third excited state is

(a) 12.75 eV

(b) 0.85 eV

(c) 10.2 eV

(d) 12.1 eV

7. The orientation of atomic orbitals depends on their

(a) spin quantum number

(b) magnetic quantum number

(c) azimuthal quantum number

(d) principal quantum number

8. A gas X has C_p and C_v ratio as 1.4, at NTP 11.2 L of gas X will contain_______ number of atoms

(a) 1.2 × 10²³

(b) 3.01 × 10²³

(c) 2.01 × 10²³

(d) 6.02 × 10²³

9. Number of unpaired electrons in N²⁺

(a) 3

(b) 1

(c) 2

(d) 0

 

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