Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 8.3 6.3 5.6 3.2 8.3 6.3 5.6 3.2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Robert Boyle John Dalton Antoine Lavoisier Democritus Robert Boyle John Dalton Antoine Lavoisier Democritus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Iron Bromine Chlorine Iodine Iron Bromine Chlorine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Bromine Barium Magnesium Lead Bromine Barium Magnesium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Methane Carbon monoxide Hydrogen Air Methane Carbon monoxide Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP
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