When sodium, Na and Fluorine, F bond ionically, what happens to the electrons in each atom?
7 electrons move from fluorine to sodium
1 electron moves from sodium to fluorine
electrons are shared between sodium and fluorine
the atoms magically are attracted to one another

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear