Structure of Atom
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New answer posted
a month agoContributor-Level 10
nm = 2l + 1
As there are (2l + 1) number of permissible values of magnetic quantum number.
Hence, l = (nm - 1)/2
New answer posted
a month agoContributor-Level 10
An Atom has three fundamental particles-electron, proton and neutron. The mass of the electron is 9.10939 * 10? ³¹ kg. Neutrons and protons, both are collectively known as nucleons. All the isotopes of a given element show same chemical properties. Dalton's atomic theory, regarded atom as an ultimate particle of matter.
New answer posted
a month agoContributor-Level 10
For irreversible expansion of an ideal gas under isothermal condition
ΔU = 0, ΔS (Total) ≠ 0
New answer posted
a month agoContributor-Level 10
The number of Body centred unit cells in all 14 types of Bravais lattice unit cells is 3.
New answer posted
a month ago
New answer posted
a month agoContributor-Level 9
Bohr's theory accounts for the line spectrum of single electron species but Li? has two electrons. Bohr's theory fails to explain splitting of spectral lines in presence of magnetic field i.e. Zeeman effect.
New answer posted
a month agoContributor-Level 9
Combustion of ethane: C? H? + 7/2 O? → 2CO? + 3H? O.
Moles of C? H? = 3g / 30 g/mol = 0.1 mol.
Moles of H? O produced = 0.3 mol.
Number of H? O molecules = 0.3 * 6.023 * 10²³ ≈ 18.06 * 10²².
So, x = 18.
New answer posted
a month agoContributor-Level 9
Quantum Numbers and Orbitals:
o Total Node = n - 1 (l => Azimuthal Q.N)
o Radial Node = n - l - 1
o Angular Node: l
o If Angular node = 0, then l = 0, i.e., S orbital.
o If Radial nodes = 2, then n - l - 1 = 2.
o Substituting l = 0 gives n - 0 - 1 = 2, so n = 3.
o Therefore, the orbital is 3s.
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