Chemistry, 20.09.2019 02:00 kloekamakeeaina14
Give the nuclear symbol (isotope symbol) for the isotope of bromine, br, that contains 46 neutrons per atom.
Answers: 2
Chemistry, 22.06.2019 12:00, daytonalive83481
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
Chemistry, 23.06.2019 00:00, maronetham6253
What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?
Answers: 2
Chemistry, 23.06.2019 03:00, kdcloyd3362
Give a real-world example of an energy transformation that uses two of the following forms of energy: chemical, mechanical, nuclear, gravitational, radiant, electrical, thermal (heat), and/or sound.
Answers: 3
Give the nuclear symbol (isotope symbol) for the isotope of bromine, br, that contains 46 neutrons p...
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