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olga2289 [7]
3 years ago
7

What is the difference between a primitive and body centered unit cell?

Chemistry
1 answer:
Butoxors [25]3 years ago
7 0

The key difference between unit cell and primitive cell is that the unit cell has parallelepiped geometry whereas 2D primitive cell has parallelogram geometry and 3D primitive cell has parallelepiped geometry.

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Give the number of covalent bonds that a carbon atom can form.
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Answer:

four covalent bonds

Explanation:

A carbon atom would form 4 covalent bonds.

For a covalent bond to be formed, an atom would share its valence electrons with another. In this process, each atom would require unpaired electrons for this bond to be formed. The number of available unpaired electrons would represent the number of electrons needed to complete the outer energy level of the atom.

In a carbon atom, we have no lone pair of electrons and 4 unpaired electrons. When these 4 electrons are shared with those of other atoms, they produce a complete octet which perfectly mimics the noble gases.

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BaCl2(H2O)2 type of reaction
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How did the work of Dmitri Mendeleev differ from that of John Newlands in the development of the periodic table?
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