AlF3 is ionic due to the metal and non metal combination. Well AlCl3 also has the same combination but the difference in electronegativity between Al and Cl is very minute causing Al to assume a covalent character. ... Electronegativity is the tendency of an atom to attract a bonding pair of electrons to itself.
Answer with Explanation:
I believe you are referring to "" in your question.
app is not considered a form of cheating, rather a support to students who have a hard time answering questions which seem impossible to solve. Questions are being answered by a pool of users of the app, which means the student will receive varying opinions for a particular question. It is then, the discretion of the student to compare the answers and be helped by other users to know which one is correct. The app is more like an interactive type of finding a solution to a problem, not a form of cheating.