Chemistry, 27.06.2019 04:20 savannahwonder
Draw diagrams of the 5 atoms described below. for each atom, use a circle to represent the nucleus, and inside the circle write down how many protons and neutrons the nucleus contains (e. g. 9p, 10n). use concentric circles around the nucleus to represent the energy levels of the atom, and next to each circle write down the number of electrons in that energy level (e. g. 2e): a. atomic number = 1, atomic mass = 1, overall charge = 0 b. atomic number = 7, atomic mass = 15, overall charge = 0 c. atomic number = 11, atomic mass = 23, overall charge = 0 d. atomic number = 11, atomic mass = 23, overall charge = +1 e. atomic number = 17, atomic mass = 35, overall charge = -1
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Chemistry, 21.06.2019 21:00
Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?
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Chemistry, 21.06.2019 22:00
Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron
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Chemistry, 22.06.2019 05:30
Compare and contrast physical changes with chemical changes.
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Chemistry, 22.06.2019 14:00
What term describes technology that operates on an atomic level
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Draw diagrams of the 5 atoms described below. for each atom, use a circle to represent the nucleus,...
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