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  • An atom changes to a charged particle called ion if it loses or gains electrons. The charge on an ion is the charge on electrons plus charge on protons. Now, write the missing information in the table given below:

An atom changes to a charged particle called ion if it loses or gains electrons. The charge on an ion is the charge on electrons plus charge on protons. Now, write the missing information in the table given below:

Name of Ion Proton Charge Electron Charge Ion Charge
Hydroxide ion +9 -- -1
Sodium ion +11 -- +1
Aluminium ion +13 -10 --
Oxide ion +8 -10 --

Answers (1)

Total number of charge on Hydroxide ion = Proton charge + Electron charge
-1=+9+\text{ Electron charge} \Rightarrow \text{ Electron charge}= -10

Total number of charge on Sodium ion = Proton charge + Electron charge

+1=+11+\text{ Electron charge} \Rightarrow \text{ Electron charge}=-10
Total number of charge on Aluminium ion = Proton charge + Electron charge
                                                                 = +13 + (-10)

                                                                 =+3
Total number of charge on Oxide ion = Proton charge + Electron charge

                                                           =  +8+(-10)

                                                           = -2

Posted by

Ravindra Pindel

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