Chemistry HW #1: Structure of the Atom PDF

Chemistry HW #1: Structure of the Atom Name:Angela _________________ Monferrato Instructor: Mr. Ferraro Date: ____________ 1) Consider an atom...

Chemistry HW #1: Structure of the Atom Name:Angela _________________ Monferrato Instructor: Mr. Ferraro Date: ____________ 1) Consider an atom with 26 protons, 28 neutrons, and 26 electrons. Use the space below for your answers. a) What is the nuclear charge (provide a raMonale for your answer)?26becausethe nutrongahayeanutra b) What is the charge of the electron cloud? 2 c) What is the net charge of the atom (provide a mathemaMcal and descripMve raMonale for you answer)? because 0 d) What is the mass of the atom in amu? 26 26 0 54amu 2) Consider an atom with 47 protons, 48 neutrons, and 50 electrons. a. What is the nuclear charge (provide a raMonale for your answer)? because b. What is the charge of the electron cloud? 47 neutronshave new a 50 c. What is the net charge of the atom (provide a mathemaMcal and descripMve charge raMonale for you answer)? 97because 50 d. What is the mass of the atom in amu? 47 97 55amu 1784 3) Consider an atom with 22 protons. The mass of the atom is 44 amu and the net charge is zero. (spicy meatball quesMon) a. Calculate the number of neutrons in the nucleus. 22 b. Determine the number of electrons from the informaMon above. 22 c. What is the nuclear charge? 22 my 4) Consider an atom that has a mass of 54 amu, 27 neutrons, and has a net charge of +2. (Spicy meatball quesMon) 5 a. Calculate the number of protons from the mass and number of neutrons. 28 8 b. Determine the number of electrons from the number of protons and the net charge. 26 c. What is the nuclear charge? 28