Hydrogen in the Periodic Table

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Questions and Answers

How does hydrogen behave when it loses an electron?

  • It behaves like noble gases
  • It behaves like halogens
  • It becomes inert
  • It behaves like alkali metals (correct)

In the periodic table, hydrogen belongs to which group and period?

  • Group VIIA and Period 1
  • Group I (IA) and Period 2 (correct)
  • Group VIIA and Period 2
  • Group I (IA) and Period 1

Why was hydrogen placed at the top of the periodic table?

  • To create symmetry in the periodic table (correct)
  • Because it has properties similar to noble gases
  • Due to its reactivity similar to halogens
  • Because it has the lowest atomic number

Why does hydrogen have a unique placement in the periodic table?

<p>Its electronic configuration is different from other Group IA and VIIA elements. (C)</p> Signup and view all the answers

How does hydrogen's behavior differ from other Group IA elements?

<p>Hydrogen does not lose electrons to form positive ions. (A)</p> Signup and view all the answers

Which statement best explains hydrogen's resemblance to both halogens and alkali metals?

<p>Hydrogen can easily gain or lose electrons depending on the reaction conditions. (C)</p> Signup and view all the answers

Based on its electronic configuration, why does hydrogen exhibit electropositive character?

<p>It has one electron in its outermost shell. (A)</p> Signup and view all the answers

In terms of ion formation, why can hydrogen be compared to alkali metals?

<p>It loses an electron to form a positive ion. (B)</p> Signup and view all the answers

What characteristic makes chlorine exhibit electronegative character during ion formation?

<p>It gains electrons readily. (B)</p> Signup and view all the answers

Why is hydrogen classified as having an electrovalency of one?

<p>It loses one electron during ion formation. (B)</p> Signup and view all the answers

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