In the following equation, which element has been reduced?
2al + 2fe3+ + 3o2 2fe + 2al3+ + 3o2
a. al
b. fe
c. o
a is what i have in mind

Its strengthits conductivity of heat and electricity its shiny colourmalleable and ductility

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.

A. ​it generates energy from carbohydrates.b. it requires activation by oxygen.​c. ​it is used by cells to dispose of excess electrons