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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?

Its electronic configuration is different from other Group IA and VIIA elements. Signup and view all the answers

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

Hydrogen does not lose electrons to form positive ions. Signup and view all the answers

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

Hydrogen can easily gain or lose electrons depending on the reaction conditions. Signup and view all the answers

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

It has one electron in its outermost shell. Signup and view all the answers

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

It loses an electron to form a positive ion. Signup and view all the answers

What characteristic makes chlorine exhibit electronegative character during ion formation?

It gains electrons readily. Signup and view all the answers

Why is hydrogen classified as having an electrovalency of one?

It loses one electron during ion formation. Signup and view all the answers