x is an element that belong to first group of modern periodic table access a gas with covalent radius is 0.37 Amsterdam identify and write the chemical symbol of x
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3
Answer:
hydrogen (H)
Explanation:
hydrogen is the only gas in the first group
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The element x is Hydrogen gas and the chemical symbol of x is H.
- All the elements in the first group of periodic table are Alkali metals except Hydrogen gas (H₂).
- The covalent radius of hydrogen gas = 0.31 Angstrom ≈ 0.37 Angstrom
- So, the correct answer of this question is Hydrogen gas.
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