Chemistry, 28.06.2019 08:30 amandavelez12122005
Which forms of matter are considered pure substances? a elements only b mixtures only c compounds and mixtures d elements and compounds
Answers: 1
Chemistry, 21.06.2019 21:00
Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle
Answers: 1
Chemistry, 21.06.2019 23:00
What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol
Answers: 2
Which forms of matter are considered pure substances? a elements only b mixtures only c compounds...
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