The table below gives the numbers of protons, electrons, and neutrons in four atoms. AtomNumber of protonsNumber of neutronsNumber of electrons 1989 2998 39910 49109 Based on the table, which atom has a charge of –1? 1 2 3 4

the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.

explanation:

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

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