Chemistry How many neutrons are there in 92U238 atom ? 238 92 146 330 238 92 146 330 ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Ether Ethanol Ethane Chloropicrin Ether Ethanol Ethane Chloropicrin ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Positrons Neutrons Electrons Protons Positrons Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.323 0.273 0.201 0.158 0.323 0.273 0.201 0.158 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Methyl alcohol Propyl alcohol Methane Phenol Methyl alcohol Propyl alcohol Methane Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus always less than its atomic number a fraction always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus always less than its atomic number a fraction ANSWER DOWNLOAD EXAMIANS APP
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