Elecronegativity difference between H and S

because H is on period 1 group 1 and S Is on period 3 group 16

indium, and thallium have three electrons i think

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary