Thinner in the center that at the edges; virtual image smaller.
lens
concav...
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How are the terms group and period used on the periodic table
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As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.
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Chemistry, 22.06.2019 23:30
How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)
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What can be done to make a solid solute dissolve faster in a liquid solvent?
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