Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 314 88 138 50 314 88 138 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? More energy is released than is absorbed Energy is always absorbed Energy is neither released nor absorbed Energy in always released More energy is released than is absorbed Energy is always absorbed Energy is neither released nor absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 238 92 330 146 238 92 330 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 0.001 mg/m3 0.01 mg/m3 1.0 mg/m3 5.0 mg/m3 0.001 mg/m3 0.01 mg/m3 1.0 mg/m3 5.0 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons Protons Neutrons and protons Electrons Neutrons Protons Neutrons and protons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of Avogadro Number is 6.023 × 1022 6.023 × 1025 6.023 × 1023 6.023 × 1024 6.023 × 1022 6.023 × 1025 6.023 × 1023 6.023 × 1024 ANSWER DOWNLOAD EXAMIANS APP
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