The number of electrons in an ion with 20 protons and an ionic charge of 2- is

We have that for the Question "The number of electrons in an ion with 20 protons and an ionic charge of 2- is" it can be said that

From the question we are told

The number of electrons in an ion with 20 protons and an ionic charge of 2- is

Where

Generally the equation for the  number of electrons   is mathematically given as

N_e=18

Therefore

number of electrons  is

N_e=18

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1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.