Chemistry The iron ore magnetite consists of 3Fe2O3 .. 3H2O Fe2O3 Fe3OH4 FeCO3 3Fe2O3 .. 3H2O Fe2O3 Fe3OH4 FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 4 1 2 3 4 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Anions Higgs-boson Isotopes Cations Anions Higgs-boson Isotopes Cations ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ ANSWER DOWNLOAD EXAMIANS APP