Answer:
6
Explanation:
There is 2 of the coumpond, in one compound, there are 3 oxygens. But when there are two, it is 6.
i am pretty sure it would be a chemical change so A
You can answer this question by only searching the element in the periodic table.
The atomic number of iodine, I, is 53. It is placed in the column 17 (this is the Group) and row 5 (this is the Period).
The conclusion is that the iodine is located in Period 5, Group 17, and is classified as a nonmetal.
I don't know if this is multiple choice but if it isn't I can name of few.
Fun Fact: Noble Metals are chemical elements that have outstanding tolerance and resistance to oxidation.
Answer: Palladium, Silver, Platinum, and Gold. Those are all examples of Noble Metals.
Other: Ruthenium, osmium, and rhodium.
<em>Hope this helps!</em>