Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) s-electrons in Mg(Z = 12) d-electrons in Fe(Z = 26) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- 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 ozone oxygen methane helium ozone oxygen methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used bleaching agent is alcohol chlorine carbon dioxide sodium chlorine alcohol chlorine carbon dioxide sodium chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only ANSWER DOWNLOAD EXAMIANS APP
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