Answer:
The inhalation of mercury vapour can produce harmful effects on the nervous, digestive and immune systems, lungs and kidneys, and may be fata
Explanation:
A. Hydrochlori acid must smell like rotten eggs
Answer:
it indicates that the lower orbitals are filled first and they have the maximum number of electrons compared to the higher orbitals
A:2KClO3=2KCl+3O2 hope it helps ! Don't know the rest
Answer:
Mg, U, Cu
Explanation: