The empirical formula of a compound is C1 and has a molar mass of 721 g/mol. What is the molecular formula

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

I’m an electrically neutral atomic any element, there are equal numbers of

What is the significant digit in 23.45