Answer: the minimum amount of energy required to break bonds and start a chemical reaction
Explanation: got a 100% on the quick check
False. Pb is lower than Al in the reactivity series. It cannot replace aluminium in AlCl3
I don't see the symbols or the ions. sorry. can you type them out so I can help
Answer:
Atomic emission spectra are produced when excited electrons return to the ground state.
Explanation: