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For which of the following sets of four quantum numbers, an electron will have the highest energy:
n l m s
(a) 3 2 1 +1/2
(b) 4 2 1 +1/2
(c) 4 1 0 -1/2
(d) 5 0 0 -1/2
Ans: 4 2 1 +1/2
Explain about Phosphprous and its allotrpes White phosphorus - crystalline solid P 4 Red phosphorus - polymeric solid Scarlet phosphorus Violet phosphorus
1. Define or explain the following terms: a. Science b. Experimentation c. Scientific method d. Hypothesis e. Theory f. Scientific law g. Chemistry h.
#question.which element has the highest oxidation state and why.
What are the major poisnous gases released during burning of the plastic substances????? Ans) It is high time that we start taking concrete steps in order to prevent pollution or
240 g of water at 20 degree C are mixed with a sample of iron at 500 degree C. The final temperature of the system is 42 degree C. Find the mass of the iron sample
The frequency of one of the lines in Paschen series of hydrogen atom is2.340x10 11 Hz. The quantum number n 2 which produces this transition is: (1) 6 (2) 5
detailed account of paint
As compared to covalent compounds, electrovalent compounds generally have: (1) Low melting points and low boiling points (2) Low melting points and high boiling points (3
Which of the following atoms and ions are isoelectronic i.e. have the same number of electrons with the neon atom: (1) F - (2) Oxygen atom (
capillarity
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