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Chemistry, 21.06.2019 23:50
How will the emission of an alpha particle affect the atomic number of an atom
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Chemistry, 22.06.2019 21:00
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.
Answers: 1
Chemistry, 23.06.2019 01:00
Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.
Answers: 2
What is the final concentration when 5 ml of a 2.5M copper sulphate solution is diluted to 750 ml?...
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Mathematics, 27.06.2019 05:30
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Mathematics, 27.06.2019 05:30