Chemistry, 04.07.2019 04:00 nothingworksoutforme
How do scientists determine the number of neutrons in an isotope of an atom? question 3 options: they add the number of electrons and protons. they subtract the atomic number from the atomic mass. they find the number of protons. they divide the atomic mass by two.
Answers: 1
Chemistry, 22.06.2019 17:00, emma3216
In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added
Answers: 1
Chemistry, 22.06.2019 22:00, huddyxo
Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
Answers: 1
How do scientists determine the number of neutrons in an isotope of an atom? question 3 options: t...
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