John Dalton’s law

Follow the link below and answer the questions found in the link.

John Dalton

Answer the following word problems by using the law of definite proportions.

In a small block of salt (NaCl) there is 39.34 g and 60.66 g of chlorine

In a sample of magnesium oxide there are 24.3 g of magnesium and 40.3 g of oxygen.



Organization of the Periodic Table

Please watch the video found in the link below and complete a descriptive timeline in your notebooks that indicates the various organizational failures that the periodic table underwent before the current organization. In you timeline you must include the name of the organizer and an explanation of why the proposed organization failed.

History of the Periodic Table