Assertion: hafnium | /r/HasProperty | a group iv element
Facets:
Source sentences:
text: Hafnium is a group IV element with a high ionization potential of 6.65 eV, and so the measurement of Hf isotope ratios has been revolutionized by the advent of plasma ionization mass spectrometry (e.g., Halliday et al., 1995).
text: Hafnium is a group IV element with a high ionization potential of 6.65 eV, and so the measurement of Hf isotope ratios has been revolutionized by the advent of plasma ionization mass spectrometry (e.g., Halliday et al., 1995).