How do you express ions in written form and should you?

Need help with my Chemistry question – I’m studying for my class.

Where it says element name do I need to add something to show they are ions? Please could you also check the table answers are correct whilst you are looking anyways. thanks in advance

Element

Name

Ion Symbol

Atomic Number

Mass Number

No. of Protons

No. of Neutrons

No. of Electrons

Fluorine

F

9

19

9

10

9

Cadmium

CD+2

48

112

48

64

48

Oxygen

02-

8

16

8

8

10

Aluminium

Al 3+

13

27

13

14

10

Prof. Angela

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