Chemistry, 04.07.2019 14:00, khaekhae10
The atomic number of an element is 19. based on its electron arrangement, which of the following explains its correct position in the periodic table? group 1, because it has a single electron in the 4s orbital. group 4, because it has a single electron in the 4s orbital. group 1, because its last electron is in the 3s orbital. group 4, because its last electron is in the 4s orbital.
Answers: 1
Chemistry, 21.06.2019 13:30, blakeboy3148
Draw the more stable lewis dot structure for bro2-
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Chemistry, 21.06.2019 22:00, toledanomariap43bxm
Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium
Answers: 3
Chemistry, 22.06.2019 12:20, jessicasbss6840
Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.
Answers: 1
The atomic number of an element is 19. based on its electron arrangement, which of the following exp...
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