NCERT Solution for Class 10 Science Chapter 5
Periodic Classification of Elements
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Exercises Questions
Page No-91
Questions No-4 Part 1
What property do all elements in the same column of the Periodic Table as boron have in common ?
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Boron is metalloid while all other elements in the same column of the Periodic Table are metals, thus metallic character is common in the same column of the periodic table as boron have.
Elements in the same column or group as boron have valency of three and have three valence electrons.
All the elements in the same column as boron have the same number of valence
electrons (3). Hence, they all have valency equal to 3.
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