Help me plz What must be true of a substance found in the liquid phase at room temperature? Why are such substances not very common?

h let me think

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

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indium, and thallium have three electrons i think