Question

4. (a) What property do all elements in the same column of the Periodic Table as boron have in common?

(b) What property do all elements in the same column of the Periodic Table as fluorine have in common?​

Answer 1

answer:

A].they all belongs to 13 th group of the 'p'block elements . they are semi metals or metalloids . they all have valency 3 in their valence shell.

B] they all belongs to 17th group i.e called halogens . they all have valency 7 and needs only one electron to complete their octate . they all are non metals .

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Answer 2

What property do all elements in the same column of the Periodic Table as boron have in common?

=> They all have common valency of 3.

What property do all elements in the same column of the Periodic Table as fluorine have in common?

=> They all have common valency of 1.