A certain hydrocarbon (a compound consisting of carbon and hydrogen) is 81.71% carbon by mass and has a molar mass of 44.09 g/mol. Determine its molecular formula.

How are ionic bonds formed and what is the attractive force within an ionic bond

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?

What produces wave a)sound b) heats c)transfer of energy d)vibrations