Definitions
Example Sentences
"The atomic number 49 corresponds to the element indium in the periodic table."
"Indium's atomic number 49 indicates the number of protons in its nucleus."
"Chemists use the atomic number 49 to classify indium as a metal."
"An atom of indium always has 49 electrons since it has atomic number 49."
"The atomic number 49 determines the position of indium in the periodic table."
