Problem 47E
Lewis Structures; Resonance Structures (Sections)
Draw Lewis structures for the following: (a) SiH4, (b) CO, (c) SF2, (d) H2SO4 (H is bonded to O), (e) ClO2–, (f) NH2OH.
Distinguishing between Ser & Estar If you are talking about what something is use “ser”, if you are talking about how something is use “estar” “SER”- T o BE essential characteristic “what” something is The apple is green Permanent Ex: “¿De donde eres” “¿Quien es” Julio es de Colombia. “¿Donde es” “¿A que hora es” Arturo es mi Padre Ella es callada “¿Que es” “Estar”- o BE Condition “how” something is The apple is unripe Temporary Ex: “¿Donde esta” “Estoy muy triste” “¿como esta” “Estoy enojada y gorda” “Ella esta callada.” “Estamos haciendo la tarea”