Relacionar Columnas Atoms and APEMANVersión en línea Parts of the atom and APEMAN matching (8.5A) por James Dycus 1 A 2 M 3 A (M-A) 4 5 E 6 7 8 9 P 10 N 11 12 13 Number of Electrons Electrons located in the outermost electron shell. This is the shell responsible for chemical reactivity. (Valence Electron) Number of Protons Area located outside of the dense compact core. This area is mostly empty space and is where all the electrons are located. (Electron Cloud) Circular areas that make up the electron cloud. These shells are the path that electrons take as they constantly move around the nucleus. (Energy Shells/Electron Shells) Atomic Mass The dense and compact core of the atom that contains all of the protons and neutrons. (Nucleus) Atomic Number (M-A) Atomic Number Subatomic particle that has a negative (-1) charge and has zero atomic mass units (0 amu) (Electron) Number of Neutrons Subatomic particle with a neutral (0) charge and a mass of 1 atomic mass unit (1 amu) (Neutron) Subatomic particle with a positive (+1) charge and a mass of 1 atomic mass unit (1 amu) (Proton)
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