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john dalton's atomic theory contains 4 postulates. which postulate(s) still hold(s) true today. mark all that apply. *

atoms of different elements can combine physically and chemically.
atoms are indivisible.
chemical reactions occur when atoms are joined or separated.
atoms of the same element are identical

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a plasma is a warm ionized gasoline consisting of approximately equal numbers of definitely charged ions and negatively charged electrons. the characteristics of plasmas are notably unique from the ones of ordinary neutral gases in order that plasmas are considered a awesome "fourth kingdom of remember."