Actinides are radio active elements.
Cadmium rod is used in nuclear reactor to slow down the speed of neutron.
Sodium peroxide is used in submarine and also to purify closed air in hospital.
Onion and garlic odours due to potassium.
Oxides of metals are alkaline.
Silver and copper are the best conductor of electricity.
Gold and silver are the most malleable metals.
Mercury and iron produces more resistance in comparison to the other during the flow of electricity.
Lithium is the lightest and the most reductant element.
In fireworks, Crimson red color is due to the presence of strontium metal.
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