1. Answer the following questions for an atom of sulfur. …
1. Answer the following questions for an atom of sulfur. A. The atomic number of sulfur is ________ and sulfur contains _______ protons and ________ electrons. B. The electron configuration for sulfur is: 1st energy level = ____ electrons 2nd energy level = ____ electrons 3rd energy level = ____ electrons C. An atom of sulfur has ______________ valence electrons. D. A particular isotope of sulfur has a mass number of 34. (34S) This isotope contains ______ protons, __________electrons, and __________ neutrons. E. Sulfur is a member of the _________ family of elements. F. When sulfur forms an ion is will have a _____________ charge. (negative 1, negative 2, positive 1, positive 2 2. 1 mole of phosphorus has a mass of _____________ g. 3. How many moles of copper are there in some copper wire weighing 7.75 g? Show the set up for credit.
Read DetailsComplete las frases con la forma correcta del verbo en paren…
Complete las frases con la forma correcta del verbo en parentesis en el pretérito! (Use preterite form) Arturo (invitar) _______ a Beatriz al juego de beisból. Patricia le (decir) _______ que sí. Patricia (lavarse) _______ el pelo y (arreglarse) _______ , (vestirse) _______ con ropa cómoda {comfortable} y (conducir) _______ al estadio de beisbol. Arturo y Beatriz (comprar) _______ los boletos, (encontrarse) _______ con sus amigos y (sentarse) _______ en sus asientos. Todos (mirar) _______ el juego y (apoyar) _______ a su equipo favorito ‘Los Guerreros’. Arturo (comer) _______ pizza y Beatriz (beber) _______ una soda. Todos (divertirse) _______ y Los Guerreros (ganar) _______ el juego.
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