Both models are effective because they show the valence electrons, and these valence electrons indicate the reactivity of an element.
Another question on Chemistry
Chemistry, 21.06.2019 13:00
When light strikes a plane mirror, images form in locations where light does not actually reach. it only appears to the observer as though the light were coming from this position. what type of image is formed?
1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?