What is the element Ar classified as in the periodic table? A- a noble gas
B- a halogen
C- a metalloid
D- a metal

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2