Question : Which s-block element is a silvery-white metal used in an alloy with copper or nickel to make gyroscopes, springs, electrical contacts, spot-welding electrodes and non-sparking equipment?
Option 1: Beryllium
Option 2: Rubidium
Option 3: Francium
Option 4: Caesium
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Correct Answer: Beryllium
Solution : The correct answer is Beryllium .
The symbol of Beryllium is Be with an atomic number of 4. It is a lightweight, metallic element known for its strong and lightweight properties. Beryllium is often used in alloys, especially in the aerospace industry, due to its high strength-to-weight ratio.
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