Definitions
Example Sentences
"The atomic number 4 corresponds to the element beryllium."
"The atomic number 4 indicates the number of protons in a beryllium atom."
"Beryllium's atomic number 4 signifies its position in the periodic table."
"The atomic number 4 is essential in determining the chemical properties of beryllium."
"The atomic number 4 is key in understanding the electron configuration of beryllium."