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The Periodic Table — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYThe Periodic Table1 Mark
Question
The position of elements $A, B, C, D$ and $E$ in the periodic table are shown below:
Group $1$ Group $2$ Group $17$ Group $18$
      $D$
  $B$ $C$  
$A$     $E$
Which type of ion will be formed by elements $A, B,$ and $C.$
✓

Answer

Element $A$ will form a positive ion $1^+($cation$).$
Element $B$ will form a positive ion $2^+($cation$).$
Element $C$ will form a negative ion $1^-($anion$).$

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