Answer:
Isotopes are variants of an element, where the number of neutrons is different but its number of protons stay the same.
Explanation:
If the number of protons had changed then it would just be a different element.
Electron number changing simply adds charge to the atom, and doesn't change it or anything.
PLS GIVE BRAINLIEST
Answer:
Noble gases
Explanation:
nobles gases have their outer energy level complete
Cs+1
The only common oxidation state is +1.
Answer: 208g
Explanation: Since 224 grams produces 96 grams more, then 112 grams will produce 208 grams.
