A reaction in which oxidation numbers change is the answer! :D
☆ Dont forget to mark brainliest ☆
One because Potassium is in the first column on the periodic table. Any element in the first column on the periodic table has one valence electron in their outer shell.
Its A.It can sometimes reject important new ideas or novel techniques.<span>
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Uses for radioactive tracers is to look for flaws in metal objects and are also used by doctors to x-ray images to look at your bones.
12.01 amu
Work:
(12.000 × .9889) + (13.003 × .0111) = 12.01
- turn the precents into decimals
