An olympic medal contains 71.5% of gold by mass. how much gold could be extracted from a medal that weighs 115 grams? 1. 82.2 mol 2. 0.817 mol 3. 0.417 mol 4. 31.7 mol 5. 14.1 mol 6. 1.33 mol

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.