Ionic crystals are hard because of tight packing lattices, say, the positive and negative ions are strongly attached among themselves.
Answer:
a. Lead (Pb)
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Answer:
The method generally involves heating a mixture of epsomite and halite to form clusters of lower hydrated magnesium sulfate crystals and subsequently applying slight pressure to the clusters so that they collapse to yield fine, less hydrated magnesium sulfate crystals which can then be easily separated from the ...
C.
Protons is 8 so the atomic number will be 8.
Number of neutrons= atomic mass - atomic number
16-8 = 8.
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Question: <span>The appropriate geometric "fixing" of two atoms which is necessary to start chemical rearrangement is called the:
Answer: It is called activation complex.
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