GIZMO - Element Builder-VERIFIED BY EXPERTS-GRADED A+(LATEST EDITION)

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Student Exploration: Element Builder Vocabulary: atom, atomic number, electron, electron dot diagram, element, energy level, ion, isotope, mass number, neutron, nucleus, periodic table, proton, radi... oactive, valence electrons Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. What are some of the different substances that make up a pizza? Cheese, dough, tomato sauce 2. What substances make up water? Hydrogen and Oxygen 3. What substances make up an iron pot? Fe (iron) Elements are pure substances that are made up of one kind of atom. Pizza is not an element because it is a mixture of many substances. Water is a pure substance, but it contains two kinds of atom: oxygen and hydrogen. Iron is an element because it is composed of one kind of atom. Gizmo Warm-up Atoms are tiny particles of matter that are made up of three particles: protons, neutrons, and electrons. The Element Builder Gizmo™ shows an atom with a single proton. The proton is located in the center of the atom, called the nucleus. 1. Use the arrow buttons ( ) to add protons, neutrons, and electrons to the atom. Press Play ( ). A. Which particles are located in the nucleus? Neutrons and protons B. Which particles orbit around the nucleus? Electrons [Show More]

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