Can valence electrons have a big effect on determining the chemical properties of an element?

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

What are transitions between a liquid and a solid called? identify which way they are transitioning

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products