Definitions
Example Sentences
"The atomic number 37 indicates the number of protons in a rubidium atom."
"Isotopes of rubidium with atomic number 37 have different numbers of neutrons."
"The atomic number 37 is important in determining an element's chemical properties."
"Scientists use the atomic number 37 to classify rubidium as an alkali metal."
"Rubidium's atomic number 37 places it between strontium (atomic number 38) and cesium (atomic number 55) on the periodic table."