Instructions: Name of element Symbol Stable? Charge Mass Atomic Number of Number of Number of After completing each (yes/no) (-,0,+) Number Number Protons Neutrons Electrons of the following steps, fill out the information in that row. 1. Select and drag a red Hydrogen H Yes +1 1 1 1 0 0 “Symbol” proton to the yellow (nucleus) “X” Hydrogen H Yes +1 2 1 1 1 0 Drag a gray neutron to the 2. nucleus. 3. Drag a blue electron to the first Hydrogen H Yes 0 2 1 1 1 1 orbit. (Make sure is “Orbits” selected for Model) Add another proton to the Helium He Yes +1 3 2 2 1 1 4. nucleus. 5. Add a neutron. Helium He Yes +1 4 2 2 2 1 6. Add another neutron. Helium He No +1 5 2 2 3 1 7. Add an electron. Helium He No 0 5 2 2 3 2 8. Add another electron. Helium He No -1 5 2 2 3 3 9. Add a proton. Lithium Li Yes 0 6 3 3 3 3 10. Add another proton. Beryllium Be No +1 7 4 4 3 3 Continue to add protons, neutrons, and electrons until you feel that you understand the relationships between the columns in the table above. Then circle the correct italicized term(s) in each sentence on the following page. © Copyright 2014 All rights Reserved Created By Amy D. Alford –
Instructions: After completing each of the following steps, fill out the information in that row. Name of element Symbol Stable? (yes/no) Charge (-,0,+) Mass Number Atomic Number Number of Protons Number of Neutrons Number of Electrons 1. Select “Symbol” and drag a red proton to the yellow “X” (nucleus) Hydrogen H Yes +1 1 1 1 0 0 2. Drag a gray neutron to the nucleus. Hydrogen H Yes +1 2 1 1 1 0 3. Drag a blue electron to the first orbit. (Make sure “Orbits” is selected for Model) Hydrogen H Yes 0 2 1 1 1 1 4. Add another proton to the nucleus. Helium He Yes +1 3 2 2 1 1 5. Add a neutron. Helium He Yes +1 4 2 2 2 1 6. Add another neutron. Helium He No +1 5 2 2 3 1 7. Add an electron. Helium He No 0 5 2 2 3 2 8. Add another electron. Helium He No -1 5 2 2 3 3 9. Add a proton. Lithium Li Yes 0 6 3 3 3 3 10. Add another proton. Beryllium Be No +1 7 4 4 3 3 Continue to add protons, neutrons, and electrons until you feel that you understand the relationships between the columns in the table above. Then circle the correct italicized term(s) in each sentence on the following page. © Copyright 2014 – All rights Reserved Created By Amy D. Alford
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