Question

Arrange ions in order of increasing size o-- n--- na+ al3+ mg+ f-

Answer 1

all these ions have 10 electrons in their shell therefore these are isoelectronic speicies

The more + the charge, the smaller the ionic radius. Remember that - means adding electrons. These electrons go in the outermost shells. Also, when an atom loses electrons, it clings ever more tightly to the ones it has left, further reducing the ionic radius. therefore the order of ionic radii will be →

AL3+ Mg2+ Na+ F- O2- N3- (increasing order)

Answer 2

HEY MATE

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1.)f(fluorine)

2.)o(oxygen)

3.)n(nitrogen)

4.)al(aluminum)

5.)mg(magnesium)

6.)na(sodium)

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