Total number of lattice arrangements in different types of crystals is
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2
Answer:
The presence of more than one type of atom means the lattice structure is polyatomic. There are 14 different types of crystal lattices called Bravaise lattices.
hope this answer is helpful for you.
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Explanation:
question:-
Q. When the separation between two charges is increased,the electric potential energy of the charges-
(a) increases
(c) remains the same
(b) decreases
(d) may increase or decrease.
increase is right answer
because r is inversely proportional to U
but this U always in -
I think you get
because U=-kQq/r
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