Question

Which of the following metals and non- metals are solid at room temperature?

(1)Magnesium, Iron, Aluminium – Phosphorus, carbon and Sulphur

(2)Mercury, Sodium, Potassium -- Nitrogen, Chlorine and oxygen

(3)Copper, Silver, Aluminium-- Bromine,
Iodine, and Hydrogen.

(4)None of the above​

Answer 1

Answer:

1 is the correct answer

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