If an atom of iodine gains one electron it will have the same number of valence electrons as which of these elements

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp