It would be +7 oxidation number.
[All compounds are zero]
Al is in group III [ or 13 depending on the system ] so the oxidation state is 3.
You have 12 O at -2 each for-24. That leaves you at -24+3=-21. So, 3 Cl atoms must be +21 to balance the -21 there which makes +21/3 or +7 for each Cl.
Answer: loss of electrons
Explanation:
An atom is made up of three subatomic particles named protons neutrons and electrons. An atom forms positive ion with the loss of at least one electron.
For instance: Calcium with atomic number 20, and electronic configuration 1s2, 2s2 2p6, 3s2 3p6, 4s2 will lose the two outermost electrons to form a divalent positive ion (Ca2+).
Ca --> Ca2+ + 2e-
Thus, loss of electrons is the change to an atom that occurs when it forms a positive ion
Physical chemistry.
organic chemistry.
inorganic chemistry.
analytical chemistry.
biochemistry.
Answer:
That's true. What are you asking?
