Answer/Explanation:
They have very high ionization energies so they don't form ions. The noble gases are the least reactive of all the elements but the heavier ones do form some molecules. Helium and neon never form molecules. They have completely filled electron shells with no have-filled orbitals available for making covalent bonds
The answer is the last option
Answer:
Almost every graph will help and do more then it say it can.
Explanation:
There no equation to balance.
Anyway
To be a balance equation the atom on the both side need to equal.
potassium chromate - k2cro4. ,,silver nitrate-agno3. ,, potassium nitrate-kno3 ,,Silver chromate- ag2cro4
