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Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?
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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 23:00
What is the most common reason for matter changing its state?
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Chemistry, 23.06.2019 06:20
Type the correct answer in each box.balance the chemical equation.__ n203 ➡️ __ n2 +__ o2
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Why do our hair become grey?...
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