Chemistry, asked by athark008, 10 months ago

Q.4. Draw a sketch diagram of Modern Periodic Table indicating various blocks and fill
the table with the elements up to the atomic number 20.
(5 marks)
0.5. Show diagrammatically any one of the following close packing of spheres in two
dimensions
(a) Square close packing
(b) Hexagonal close packing
[2 marks)
0.6. Calculate the packing efficiency in case of simple cubic unit cell.
[3 marks)

Answers

Answered by Baby1984kumari

2

Answer:

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Explanation:

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