Which element has atoms with the strongest attraction for electrons in a chemical bond? 1)aluminium, 2)carbon, 3)chlorine, 4)lithium

What is the maximum number of electrons that an atomic orbital can contain?

Describe the properties of sodium, chlorine, and sodium chloride

Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?