An atom that has 13 protons and 15 neutrons is an isotope of what element
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Chemistry, 10.05.2020 07:57 macylen3900
An atom that has 13 protons and 15 neutrons is an isotope of what element
Answers: 1
Chemistry, 22.06.2019 05:50, ttangelique
What are the 4 phases of matter in order of increasing engery content?
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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, 22.06.2019 17:40, aaliyahthomas37
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
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