Chemistry, 06.07.2019 00:00 MansellS5529
How many protons, electrons, and neutrons does an atom with atomic number 50 and mass number 125 contain?
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Chemistry, 22.06.2019 08:30
What is the independent variable in this investigation? mass volume sample number substance density
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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, 23.06.2019 01:00
Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x
Answers: 1
How many protons, electrons, and neutrons does an atom with atomic number 50 and mass number 125 con...
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