What name is assigned to these types of atoms that have an atomic number of 31

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.

What is the maximum number of electrons that an atomic orbital can contain?

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate