8. If the temperature of a piece of steel decreases, what happens to its density? The density does not change.
The density increases.
The density decreases.
The density first increases, then decreases.

a polar bond is formed when electrons are shared unevenly between atoms

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl