Definitions
Example Sentences
"The atomic number 72 indicates the number of protons in a hafnium atom."
"Hafnium alloys, containing atomic number 72, are used in the aerospace industry."
"The atomic number 72 plays a significant role in determining the chemical properties of hafnium."
"The atomic number 72 can be found on the periodic table of elements."
"Scientists use the term atomic number 72 to refer to the unique identity of hafnium."
