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1. Consider a platinum crystal structure (FCC, R Pt = .139 nm). a. Sketch the (100), (110), and (111) planes (including the atoms in the second layer if they can be observed
When the principal quantum number(n= 3) , the possible values of azimuthal quantum number(l ) is: (1) 0, 1, 2, 3 (2) 0, 1, 2 (3) - 2, - 1, 0, 1, 2
what is nobel gasses
The nucleus of the element 21E^45 contains
Just like lithium and beryllium in Groups Land 2, boron also shows anomalous behaviour. In general, the boron chemistry resembles that of silicon (occupying a diagonal position in
When atoms are bombarded with alpha particles, only a few in n, others pass out undeflected. This is because : (1) The nucleus occupies much smaller volume compared to the volu
what are the principle underlying the extraction of metals
Initially 5 mol of an ideal gas with Cv,m=12.5 J K^-1 mol^-1 are at a volume of 5 dm^3 and a temperature of 300K. If the gas is heated to 373 K and the volume changed to 10 dm^3, w
Q. Explain about Gravity Separation? This is one of the simplest processes of concentration of ores. It is based on the difference in the specific gravities of the gangue and o
why ionisation energy of aluminium is greater then Ga?
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