Determining Your Hourly Rate if You're Salaried. 1  1. Calculate your yearly income. Many people may already know their yearly salary, but in the event that you donât, check your most recent pay stub. 2  2. Calculate how many hours you work in one year. For a quick rule of thumb, you can use a standard formula such as: 7.5 hours per day x 5 days per week x 52 weeks per year = 1,950 hours worked per year. 8.0 hours per day x 5 days per week x 52 weeks per year = 2,080 hours worked per year. Calculate your hourly wage.
Dalton's idea of matter is known as John Dalton's atomic theory. Dalton first proposed his atomic theory in 1803. Matter is composed of very tiny indivisible particles called atoms. Atoms are incapable of being destroyed or created.
1 All atoms of a given element are identical; atoms of different elements have different properties. 2  Dalton's theory suggested that every single atom of an element such as oxygen is identical to every other oxygen atom; furthermore, atoms of different elements, such as oxygen and mercury, are different from each other.ecause of Aristotle's great influence, Democritus's theory would have to wait almost 2,000 years before being rediscovered. In the seventeenth and eighteenth centuries CE, several key events helped revive the theory that matter was made of small, indivisible particles.