1.) i am in period two and have an atomic mass of eleven. who am i? 2.) i have one hundred twenty one electrons and can be found in the same group as zinc. who am i? 3.) i am the only element with no neutrons in my nucleus. who am i?

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table.state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?