What is the
difference in
the number of
neutrons
between an
atom of
P...
Chemistry, 20.11.2020 06:00 feyundre52
What is the
difference in
the number of
neutrons
between an
atom of
Potassium and
Selenium?
Answers: 2
Chemistry, 21.06.2019 14:30
Order the following from smallest to largest atom, electron, quark, proton, neutron, molecule, nucleus
Answers: 1
Chemistry, 22.06.2019 07:20
After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)
Answers: 1
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
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