Achemical engineer had determined by measurement that there are 0.0924 moles of carbon in a sample of nickel tetracarbonyl. how many moles of oxygen are in the sample ni(co)4

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.