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Shaneylee18
Shaneylee18
@shaneylee18
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Joined: Sep 21, 2020
Last seen: Jul 19, 2023
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Topics: 2184 / Replies: 0
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Topic
Assertion: Spin quantum number can have two values, +1/2 and - 1/2.
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 447
Topic
Assertion: Angular momentum of an electron in any orbit is given by angular momentum = nh/2π, where n is the principal quantum number.
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 310
Topic
Assertion: An orbital designated by n = 3, l = 1 has double dumb-bell shape.
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 267
Topic
Assertion: A spectral line will be observed for a 2px - 2py transition.
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 193
Topic
Assertion: Nuclear binding energy per nucleon is in the order 9^4Be > 7^3Li >4^2He.
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 149
Topic
Assertion: Absorption spectrum consists of some bright lines separated by dark spaces.
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 188
Topic
Assertion : For Balmer series of hydrogen spectrum, the value n1 = 2 and n2 = 3, 4, 5.
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 189
Topic
Assertion: Atoms are not electrically neutral. Reason: Number of protons and electrons are different.
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 242
Topic
Assertion: All photons possess the same amount of energy.
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 244
Topic
Assertion: The sum of protons and neutrons is always different in isobars.
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 136
Topic
Assertion: An atom is electrically neutral. Reason: Atom contains equal number of protons and neutrons.
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 147
Topic
In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 137
Topic
Which transition in the hydrogen atomic spectrum will have the same wavelength as the transition, n = 4 to n = 2 of He^+ spectrum?
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 153
Topic
Let mp be the mass of a proton, mn that of a neutron, M1 that of a 20^10Ne nucleus and M2 that of a 40^20Ca nucleus. Then
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 182
Topic
Based on equation E = 2.178 × 10^-18 J (Z^2/n^2), certain conclusions are written. Which of them is not correct?
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 165
Topic
In hydrogen atomic spectrum, a series limit is found at 12186.3 cm^-1. Then it belong to
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 263
Topic
The electrons, identified by quantum numbers n and l (i) n = 4, l = 1 (ii) n = 4, l = 0 (iii) n = 3, l = 2 (iv) n = 3, l = 1
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 146
Topic
Among the following groupings which represent the collection of isoelectronic species?
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 166
Topic
Which of the following combinations of quantum numbers is allowed?
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 141
Topic
Ratio of energy of photon of wavelength 3000 Å and 6000Å is
5 years ago
Forum
Structure of Atom
Replies: 0
Views: 219
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