Chemistry, 10.07.2019 07:00 cole6229

The inner planets—mercury, venus, earth, and mars—are believed to have been formed by 1. the explosion of supernovas 2. masses of cold hydrogen and helium 3. the combining of asteroid-sized debris 4.collisions with large galaxies

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Chemistry, 23.06.2019 10:30, GiuliAzevedo

The element chlorine has two stable isotopes, chlorine-35 with a mass of 34.97 amu and chlorine-37 with a mass of 36.95 amu. from the atomic weight of cl = 35.45 one can conclude that:

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The inner planets—mercury, venus, earth, and mars—are believed to have been formed by 1. the explo...