Answer:
![MF_2](https://tex.z-dn.net/?f=MF_2)
Explanation:
In a simple cubic lattice lattice, the atoms are present at the eight corners of the cibe.
Since it is mentioned that the fluorine is present at the corners and also 1 corners are shared by 8 unit cells. So, share of atom in one unit cell is:- ![8\times \frac{1}{8}=1](https://tex.z-dn.net/?f=8%5Ctimes%20%5Cfrac%7B1%7D%7B8%7D%3D1)
Also, the metal, M occupy half of the body centre. A cube has only one body centre. So, share of M in each unit cell:- ![\frac{1}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D)
Thus, the formula is:-
Or simplifying ![MF_2](https://tex.z-dn.net/?f=MF_2)
Antarctic soils exist, in general, they comprise a surface pavement (i.e., a layer of gravel, stones or boulders formed largely by weathering and the removal of fine materials mainly by wind action) and a seasonally thawed active layer over permafrost.
Reason1: electrons on farther layers become free easyer
2nd reason: volume of atoms grows (from Helium to Xeon) so instead of boyle-mariot law equation (PV=vRT) is more accurate to use van der walls equations that adds to the boyle-mariot equation the volume occupied by the atoms of the gas to the volume of the space between the atoms P(Vm-b)=vRT
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The answer is 0.025001806380511. We assume you are converting between moles NaOH and gram. You can view more details on each measurement unit: molecular weight of NaOH or grams This compound is also known as Sodium Hydroxide. The SI base unit for amount of substance is the mole .