Arrive at the Lewis structure of XeF4 using the steps given in Unit 3.
Although xenon is a noble gas, it forms a number of compounds. In XeF4, after using eight valence electrons to form the four Xe—F bonds and placing three lone pairs around each fluorine atom so they reach an octet, four electrons remain. Place them as
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Derive an expression for calculating energy values corresponding n = 3 for a particle in one dimensional box.
From the infrared spectrum given below, identify the possible functional groups corresponding to the peaks indicated in the arrows.
Calculate the number of normal modes of vibration for the following compounds:
- H2O
- CH4
- HBr
Normal water contains isotope of hydrogen 3H, tritium. It has a half-life of 12.3 years.
Determine the age of a bottle of wine whose 3H radiations is about 1/10 that present in new wine.
Write the values of four quantum numbers for 3d electrons.
What is the predicted magnetic moment of Cu+ and Cu2+ ions in mB Unit (Atomic number of Cu 29)?
Complete following equations:
- 30 P + ...→ 30Sii
- 10 B + n → .... + α
- 20 Ne + 136Ba → 150Dy + ....
- ..... + 2H→22Na + α
- 241Am + ...→ 243Bk + 2n