Assesses the consistency of observations by different observers. attrition
O the control group
O inter-rater reliability
O validity

Ibelieve y y even though i've only taken chemistry for one year

The answer should be vaporization 

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.