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AL2006

At normal "Earth" temperature, or "room" temperature,
or "shirt-sleeve" temperature ...

-- Gold is a solid.

-- Bromine and Mercury are liquids.

-- Nitrogen and Oxygen are gases.

smmwaite

Answer

Mercury and Bromine

Explanation
Mercury is a metal that is in liquid form at stp.
Bromine is also a liquid at s.t.p
From the choices given the elements that can exist as a liquid at normal temperatures are mercury and bromine.

nitrogen is a gas at s.t.p.

gold is a solid at s.t.p.

oxygen is a gas at s.t.p.

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