24 kwh lithium-ion (li-ion) battery with 84 mile range
what does this mean? ?
i'm doing research on a car, and i have no clue what this is!

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.  

window cleaner is ammonia dissolved in water. this is an example of a