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Atomic Properties – DIY #2 Directions: Cut out the cards along the dotted line. Match the vocabulary word with the correct description. Check your answers on your teacher’s webpage and then glue it in your notebook on page 19. ATOM It is composed of protons and neutrons. NUCLEUS It has a NEGATIVE charge. It is found in the electron cloud. ELECTRON CLOUD It is the CENTER of the atom. Protons and Neutrons are found here. PROTON It surrounds the nucleus. Electrons are found here. NEUTRON All matter is composed of this. ELECTRON It has a NEUTRAL charge. It has a mass of 1 amu. It is found in the nucleus. ATOMIC MASS It has a POSITIVE charge. It has a mass of 1 amu. It is found in the nucleus. It identifies an atom.