Which of these names can be used to describe this substance?
propylbutane
propane
dimethylmethane

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.