The density of a substance determines if it will float or sink in another liquid. If a substance is less dense than the liquid, it will float; if a substance is denser, it will sink. Will any of the unknown metals given in Table 1 of your lab manual float on liquid mercury? Explain.

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.