Each element has its own set of characteristic absorption lines because Each element has its own set of characteristic absorption lines because the temperature of each element can varies. electron energy levels differ for each element. elements can exist in different forms of matter. absorption lines depend upon the speed of the object. each element has a different mass.

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state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

answer: the primary difference between a hypothesis and a theory is that b hypothesis is falsifiable, but a theory has been proven to be correct. theory is an explanation of something that is happening but hypothesis is a guess of something that can happen

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