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The Geology of Pacific Northwest Volcanoes, Mountains and Earthquakes Activity 2: Atoms and Molecules Name: ______________________________ Date: ___________ (1) 5 pts ‐ Refer to a Periodic Table and the Key below to fill out this table for each element. ATOMIC SYMBOL ATOM ATOMIC NUMBER Hydrogen H ATOMIC MASS (ROUNDED) NUMBER OF PROTONS 1 1 NUMBER OF NEUTRONS (Mass NUMBER OF ELECTRONS – Atomic Number) 1.00 0 1 Helium Lithium Beryllium Atomic Symbol 1 H Name Atomic Mass KEY Atomic Number Hydrogen 1.00794 Number of Protons = Atomic Number (Use the large colored marshmallows for protons) Number of Neutrons = Atomic Mass – Atomic Number (Use the large white marshmallows for neutrons) Number of Electrons = Number of Protons (Use the small colored marshmallows for electrons) The Geology of Pacific Northwest Volcanoes, Mountains and Earthquakes Activity 2: Atoms and Molecules (2) 5 pts ‐ Refer to a Periodic Table and the Key below to fill out this table for each element. Turn Lithium atom into an ion and note the information. Turn Beryllium into an isotope and record what you did. ATOMIC SYMBOL ATOM ATOMIC MASS # NEUTRONS # ELECTRONS Beryllium Lithium Ion Beryllium Isotope: KEY Atomic Number 3 Number of Protons = Atomic Number Number of Neutrons = Atomic Mass – Atomic Number Number of Electrons = Number of Protons Ions: Add or subtract an electron from the element Isotope: Add or subtract a neutron from the element Atomic Symbol Li Name Lithium # PROTONS ATOMIC NUMBER Lithium Atomic Mass 7 2 | P a g e The Geology of Pacific Northwest Volcanoes, Mountains and Earthquakes Activity 2: Atoms and Molecules (3) 5 pts ‐ Molecule activity 1. Color in the Molecule Color Key molecules with colored pencils as indicated. 2. Determine the number of elements in each molecule, and write it down. 3. Draw and color the molecule with the correct number of elements. 3 | P a g e The Geology of Pacific Northwest Volcanoes, Mountains and Earthquakes Activity 2: Atoms and Molecules (4) 5 pts – Orbital Shell Activity 4 | P a g e The Geology of Pacific Northwest Volcanoes, Mountains and Earthquakes Activity 2: Atoms and Molecules 5 | P a g e