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) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - HCO3 H2CO3 - CO32- CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 H2CO3 - CO32- CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is helium oxygen ozone methane helium oxygen ozone methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is chlorine alcohol sodium chlorine carbon dioxide chlorine alcohol sodium chlorine carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only ANSWER DOWNLOAD EXAMIANS APP