Answer:
A.................. I think the answer
Protons=33 / electrons:42
Answer:
I believe physical
Explanation:
If you step on the bag of chips, it would reduce them to crumbs. Wouldn't this be a physical change in the chips?
I believe this nuclide is potassium with the symbol K. Atomic number for an element remains constant no matter how the mass changes. From the periodic table, potassium has an atomic number of 19.
