Sodium, atomic number 11, forms an ionic bond with an atom of an unknown element. what is one possible choice for the other element in the compound? a) fluorine b) galium c) neon d) potassium

In an oxidation-reduction reaction, oxidation is what happens when a reactant

Which metal exist in liquid state and can be cut with knife ?

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d