A gas has a volume of 675 mL at 35 °C and 646 mmHg pressure. What is the volume (mL) of the
gas at -95 °C and a pressure of 802 mmHg (n
constant)?

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13 protons and 14 neutrons.  this also means that the amount of electrons also is 13 because electrons have the same amount as protons..the atomic number means the amount of protons (which effectively tells you the electrons) the atomic mass, tells you the amount of protons and neutrons in the nucleus.hope this .