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38 Which ion in the ground state has the same electron configuration as an atom of neon in the ground state? (1) Ca2+ (2) Cl- (3) Li+ (4) O2-
Answers
4
1
1
I think B
I am not sure tho
Ok, so first you have to count le 15% off. It means you pay 85% of the price
0,85•65= 55,25$
Second, you take the 10$ off
55,25-10=45,25$
Third, you have know what percentage of the original price you paid
45,25 divided by 65 =0,6962
So you actually paid 69,62% of the original price