Chemistry The mass number of an atom is equal to the number of protons and electrons the number of protons the number of neutrons the number of nucleons the number of protons and electrons the number of protons the number of neutrons the number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 1 4 3 2 1 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The formula C6H5-CO-CH3 represents Acetophenone Acetone Acetic acid Phenyl acetate Acetophenone Acetone Acetic acid Phenyl acetate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is K Na Mg Ca K Na Mg Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called leaching magnetic separation levigation liquation leaching magnetic separation levigation liquation ANSWER DOWNLOAD EXAMIANS APP