When factor is change when a pure element becomes an ion?

When a pure element becomes an ion, the factor that changes is the charge of the element. Either the element loses an electron to become a positively charged ion, or it loses a proton, to become a negatively charged ion.

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Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.