Chemistry, 29.07.2019 21:20 joannachavez12345
Use the following table to answer the question: element mass number atomic number aluminum 27 13 nitrogen 14 7 helium 4 2 fluorine 19 9 which element has the most neutrons in the nucleus? aluminum nitrogen helium fluorine
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Chemistry, 21.06.2019 17:40
Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
Answers: 1
Chemistry, 22.06.2019 08:30
Joan writes four numbers on the board in standard form, and then she writes their scientific notation
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Chemistry, 22.06.2019 16:10
Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)
Answers: 2
Use the following table to answer the question: element mass number atomic number aluminum 27 13 ni...
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