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The specific gravity of a substance is often listed in tables instead of either mass density or weight density

The periodic table sorts the elements by chemical properties and are listed horizontally in order by atomic number.

The study of what happens when an atom is broken apart is the subject of nuclear physics.

All of the materials and substances that we experience are made up of elements

Newton argued that if a cannon could be placed on a hill high enough to be outside the earth's atmosphere, and if the cannon could be made powerful enough, a ...

About 50 years before Newton formulated the law of gravity, Johanne Kepler (1571-1630) had found some rules that could be used to calculate the orbits of the ...

To raise a product to a power, raise each factor of the product to that power

To raise an exponential expression to a power, keep the base and multiply the exponents

Multiply exponential expressions that have like bases

An exponent indicates repeated multiplication as a shortcut method of how many times the base is used as a factor.