Elements of group 8a of the periodic table are known as the noble gases. determine which of the following properties are characteristic of all naturally occurring noble gases

Answer : The properties of noble gases which usually occurs in Group 8 A periodic table are described below;

i) They have an outer electrons configuration as

ii) Some elements like Ne and Ar does not form a stable chemical compounds.

iii) They have a large ionization energy, He has the largest ionization energy amongst the group.

d. temperate deciduous forest

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa