Most common ionic charge of platinum are +2 and +4.
The valences of platinum are +2 and +4; less common are the valences +1 and +3.
+4/+2
+1
+2
The most common charge is +6.
Covalent bond is more common than ionic bond.
Cobalt is difficult to predict the most probable ionic charge due to the fact that it has various oxidation states.
+2
+1
The most common charge is +6.
Covalent bond is more common than ionic bond.
Cobalt is difficult to predict the most probable ionic charge due to the fact that it has various oxidation states.
The most common electric charge for a calcium cation is +2.
covalent bound
Halons are a class of element, not a type of charge. As for why the halogens have the most stable charges, they don't - at least not all of them.
Covalently bonded. The most common example of an ionic bond is the Hydrogen bond.
-2 is the most common charge (sulphide ion).
Non ionic atoms have no electric charge, even though most of their particles have charge, because the positive particles (protons) balance the negative particles (electrons).
The oldest and most common jewelry alloy for platinum is 90% platinum, 10% iridium. You'll see various stamps, the most common maybe is 10% Ir Plat or something like that. Occasionally it's all spelled out, too. A newer alloy is 950 platinum, where the other 50 is usually cobalt. Usually that is stamped 950 Plat. or 950 Platinum. Those are the two most common, anyway.