Chemistry, 28.09.2019 00:30 amortegaa805
An atom of a certain element has 36 protons, 36 electrons, and mass of 84. what is the mass of the atom?
Answers: 1
Chemistry, 21.06.2019 21:10
Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?
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Chemistry, 22.06.2019 12:00
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 13:10
Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775
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Chemistry, 22.06.2019 15:30
The identities of substances are the same before and after which type of change
Answers: 1
An atom of a certain element has 36 protons, 36 electrons, and mass of 84. what is the mass of the a...
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