A change of 1 Kelvin is exactly the same as a change of 1 degree Celsius.
Sr3(PO4)2 is definitely Ionic
<span>The copper would go under oxidation since it will be losing two electrons. Copper starts out with an oxidation number of zero, but in order to balance the compound of CuO with the Oxygen having an oxidation number of -2, a positive 2 is required</span>