An atom becomes a charged particle called ion, when it loses or gains electrons.
The formula for the charge on an ion is as follows
Charge on Ion = Proton Charge + Electron Charge
Using the above formula , calculate the missing values a, b,c and d in the table given
below
Name of Ion Proton
Charge
Electron
Charge
Ion
Charge
Hydroxide ion +9 a -1
Sodium ion + 11 b +1
Aluminium Ion +13 -10 c
Oxide ion + 8 -10 d
b. Ram evaluated the expression – 7 – (- 3) and said his answer is – 10.
His friend Ahmed agrees with his answer, whereas John says Ram is incorrect.
Who do you agree with? Justify your answer with suitable reasons/ steps.
c. Write two integers such that one is smaller than -11, and other is great than -11
but their difference is -11. Show your working which satisfies the given
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Answer:
very very very big question.
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