How many valence electrons in an oxygen atom?

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2al(s)+3cl2(g)→2alcl3(s) what is the maximum mass of aluminum chloride that can be formed when reacting 32.0 g of aluminum with 37.0 g of chlorine? express your answer to three significant figures and include the appropriate units.

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Once similarity and one difference between a mixture of elements and a mixture of compounds