If the radius of aluminum is 0.143 nm, what is the pd of the (100) plane for aluminum in m^-2?

PD will be

Explanation:

We have given radius of aluminum r = 0.143 Nm

Plane is given as (100)

For (100) plane there is one atom at every one of the four 3D square corners, every one of which is imparted to four adjoining unit cells, while the middle atom lies totally inside the unit cell. Therefore, there is the proportionality of 2 particles related with this FCC (100) plane.

The planar section represented in the above figure is a square, wherein the side lengths are equal to the unit cell edge length, and thus, the area of this square is just =  

The planer density for the plane is

answer:

explanation:

assault rifle is a rapid-fire, magazine-fed rifle designed for military use. it is a shoulder-fired weapon that allows the shooter to select between semi-automatic (requiring you pull the trigger for each shot), fully automatic (hold the trigger and the gun continuously fires) or three-shot-burst modes.

answer:

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explanation: