Please help me. We dally transform energy in our homes and schools into light, sound, heat, etc. what is the most common energy
form that we start with?
A. mechanical
B. chemical
C. electrical
A. mechanical
B. chemical
C. electrical
1 answer:
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Answer:4
Explanation:
As shown in the image attached, a face-centred cubic structure has 8 atoms at the corners and 6 face center atoms.
Each corner atom contributes to eight cell, so per unit cell 1/8 ×8 =1atom
Face center atoms contributes to two unit cells 1/2 × 6=3atoms
Total atoms =3+1=4atoms
Therefore the atoms in Al FCC per unit cell is 4
