An ion of oxygen has a charge of -2. how many protons and electrons does the ion have?
an ion of potassium has a charge of +1. how many protons and electrons does this ion have?
the mineral fluorite is made of fluorine and calcium. use the periodic table of the elements to determine what charge each of these elements will take in order to form a compound. charge on charge on
an atom has 6 protons, 7 neutrons, and 6 electrons. fill in the blanks for these atom:
atomic atomic mass
this atom belong to which element the element oxygen will always take a charge (valence) of -2 in naturally occurring rocks and minerals.
the chemical formula for the compound, which makes up the mineral quartz, is sio2.
what is the valence (charge) of silicon in this compound?