Which is the correct order of increasing energy of the listed orbitals in the atom
Which is the correct order of increasing energy of the listed orbitals in the atom of titanium.(At.no.Z=22) Options (a) 4s…
7 years ago
Structure of Atom
Gadolinium belongs to 4f series. Its atomic number is 64
Gadolinium belongs to 4f series. Its atomic number is 64. Which of the following is the correct electronic configuration of…
7 years ago
What is the maximum number of orbitals that can be identified with the following
What is the maximum number of orbitals that can be identified with the following quantum numbers ? n =3,l =1,ml…
7 years ago
Calculate the energy in joule corresponding to light of wavelength 45nm
Calculate the energy in joule corresponding to light of wavelength 45nm.(Plank's constant , h=6.63 ˣ 10⁻³⁴ Js, speed of light…
7 years ago
Be²⁺ is isoelectronic with which of the following ions?
Be²⁺ is isoelectronic with which of the following ions? Options (a) H⁺ (b) Li⁺ (c) Na⁺ (d) Mg²⁺ Correct Answer:…
7 years ago
According to Dalton’s atomic theory the smallest partical of the matter is called
According to Dalton's atomic theory the smallest partical of the matter is called Options (a) an ion (b) an atom…
7 years ago
The number of unpaired electrons in 1s² 2s² 2p³ is
The number of unpaired electrons in 1s² 2s² 2p³ is Options (a) 3 (b) 1 (c) 5 (d) 2 Correct…
7 years ago
Who modified Bohr’s theory by introducing elliptical orbits for electron path
Who modified Bohr's theory by introducing elliptical orbits for electron path Options (a) Rutherford (b) Thomson (c) Hund (d) Sommerfeld…
7 years ago
Chloride ion and potassium ion are isoelectronic. Then
Chloride ion and potassium ion are isoelectronic. Then Options (a) potassium ion is relatively bigger (b) depends on the other…
7 years ago
Smallest wavelength occurs for
Smallest wavelength occurs for Options (a) Lyman series (b) Balmer series (c) Paschen series (d) Brackett series Correct Answer: Lyman…
7 years ago