Question
- Define Aufbau's principle.
- Draw the shape of $\text{d}_{\text{z}^2}$ orbital.
- Which quantum number specify number of orbitals in a given subshell?
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The ejection of the photoelectron from the silver metal in the photoelectric effect experiment can be stopped by applying the voltage of 0.35 V when the radiation 256.7 nm is used. Calculate the work function for silver metal.
Write balanced chemical equation for the following reactions:
Dichlorine heptaoxide (Cl2O7 ) in gaseous state combines with an aqueous solution of hydrogen peroxide in acidic medium to give chlorite ion (ClO–2) and oxygen gas.
(Balance by ion electron method)
Dichlorine heptaoxide (Cl2O7 ) in gaseous state combines with an aqueous solution of hydrogen peroxide in acidic medium to give chlorite ion (ClO–2) and oxygen gas.
(Balance by ion electron method)
A man takes a diet equivalent to 10000kJ per day and does work, in expending his energy in all forms equivalent to 12500kJ per day. What is change in internal energy per day? If the energy lost was stored as sucrose (1632kJ per 100g), how many days should it take to lose 2kg of his weight? (Ignore water loss)
Which of the following pairs of elements would have a more negative electron gain enthalpy?
F or Cl
F or Cl
If the density of methanol is 0.793kg L–1, what is its volume needed for making 2.5L of its 0.25M solution?
Lifetimes of the molecules in the excited states are often measured by using pulsed radiation source of duration nearly in the nano second range. If the radiation source has the duration of 2 ns and the number of photons emitted during the pulse source is $2.5 \times 10^{15}$, calculate the energy of the source.
→Give the structures of A and B.
A crystalline salt when heated becomes anhydrous and loses 51.2% of its weight. The anhydrous salt on analysis gave the percentage composition as Mg = 20.0%, S = 26.66% and O = 53.33%.
The two $\text{O}-\text{O}$ bond distances in ozone molecule are equal. Justify.
→The electron energy in hydrogen atom is given by $\text{E}_{\text{n}}=\frac{ (–2.18 \times 10–18 )}{\text{n}^2}\text{J}.$ Calculate the energy required to remove an electron completely from the n = 2 orbit. What is the longest wavelength of light in cm that can be used to cause this transition?
→