Which of the following are isotopes?
(a) 80 Br. (b)8°Br-1 (c) 79Br (d) 80Se...
Chemistry, 16.12.2020 21:00 yeet6942000
Which of the following are isotopes?
(a) 80 Br. (b)8°Br-1 (c) 79Br (d) 80Se
Answers: 1
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Aspirin has a density of 1.40 g/cm3 what is the volume in cubic centimeters of a tablet weighing 320 mg ?
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Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world
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