5. how is mercury different from all of the other metals

Mercury is bad at sharing electrons.

Explanation:

Most metal atoms readily share valence electrons with other atoms. The electrons in a mercury atom are bound more tightly than usual to the nucleus.

It's freezing point and boiling point are closer than all other metals. It's also liquid at room temperature.

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

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