Chemistry, 20.07.2021 19:20 milhai0627a
Please just look up stuff about helium and put it in your own words 3-5 parts ill give
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Chemistry, 23.06.2019 05:30
How many moles are in 1.26*10^24 particles in significant figures
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Chemistry, 23.06.2019 07:00
The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?
Answers: 2
Chemistry, 23.06.2019 09:40
Write balanced nuclear equations for the formation of five elements whose atomic number is between helium (2) and iron (26):
Answers: 1
Please just look up stuff about helium and put it in your own words 3-5 parts ill give
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