Briefly explain why sulfur and phosphorous can form complicated molecules, but nonmetals in period 2 tend to form only diatomic molecules.

What is important to study for nios grade 12 chemistry? i have only one month left.

What is the mass of 4 molecules of co2

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?