Density and mass relationships

How do you measure mass and density? Does greater mass imply greater density? What quantity determines floating or sinking? Is it true to say that light objects float and heavy objects sink?

What is Archimedes principle? What is it good for?

What is the law of definite proportions?

Egg experiment


*Archimedes principle

*Buoyancy concepts

*Volume and density from Archimedes principle

*Law of definite proportions

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Chemical Elements and the Periodic Table

What do elements in the same column of the Periodic Table have in common?

What buildup principle puts elements on the same row in the Periodic Table?

What is meant by "main group" elements?

*Periodic Table

*Chemistry of the elements

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