The elements with atomic numbers 2, 10, 18, 36, 54, and 86 are all, _____HalogensNoble gasesNoble metalsLight metals

Elements with atomic number 10, 18, 36, 54 and 86 are all :-light metalsinert gaseshalogens    Alkaline earth metals

Which element is a halogen found in period 2, group 17 of the periodic table?

2 Group 17 elements are commonly referred to as the halogens.(a) State and explain the trend in volatility of chlorine, bromine and iodine down the group........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... [3]

Elements in group 17 are highly reactive and are referred to as _______.alkali metalstransition metalshalogensnoble gases

Which element is a halogen?1 pointOsIOTe