Chemistry, 27.01.2020 19:31 Blbyrd1287
1. an atom of silicon has a mass number of 28 and an atomic number of 14. how many protons and how many neutrons are in this atom? show your calculation.
Answers: 3
Chemistry, 21.06.2019 17:00
Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?
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Chemistry, 21.06.2019 17:30
**40** points asapessay questions (10 points possible) clear image of next, create your own scenario. it can be one of your own real experiences or one you make up. use imagery in your writing to give your instructor a the setting and an action taking pace in your writing explain the structure and functions of the skin at work in your scenario. !
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Chemistry, 22.06.2019 00:00
Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.
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1. an atom of silicon has a mass number of 28 and an atomic number of 14. how many protons and how m...
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