Question

which of the following is the lightest metal
1 . Ca
2. Na
3. Hg
4. Li
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Answer 1

Answer:

option d

as atomic mass of lithium is less compared to the above

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Answer 2

• Li is the lightest solid metal. Lithium is the sold element of the Li symbol.This “Li” is a alkali metal.

　

• These elements are present in periodic table.

　

• Periodic table consist of both natural elements and chemical elements.

　

• Natural elements are found naturally on our Earth.

　

• Chemical elements and some other artificial elements are not found on our Earth.