The atom that is made up of two protons is He. The number of neutrons is also two. The number of electrons matters in the charge. So to make 10 electrons, we add 8 more. hence, 4/2 He 8-.
Answer:
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Explanation:
The frequency of a photon of red light with wavelength 4.50 x 10−7m is 6.67 x 1014Hz
Answer:
Hydrogen (H) Sulfur(S) and Oxygen(O)
Explanation: