Which element is most chemically similar to chlorine

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

What does an electron configuration for an atom relate to the atoms placement on the periodic table

Question 5 match each term to its description. match term definition excess reactant a) reactant that can produce a lesser amount of the product limiting reactant b) reactant that can produce more of the product theoretical yield c) amount of product predicted to be produced by the given reactants