# of P = ____ # of N = ____ Cl # of E = ____ Atomic # = 2 Mass # = 4 # of P = ____ # of N = ____ He # of E = ____ Atomic # = 14 Mass # = 28 # of P = ____ # of N = ____ Si # of E = ____ T. Trimpe 2007 http://sciencespot.net/ Atomic Basics Answer Key Part A: Atomic Structure 1. Draw five protons in the nucleus of the atom. Label them with their charge. 2. Draw six neutrons in the nucleus of the atom. 3. Draw two electrons in the first energy level and label them with their charge. 4. Draw three electrons in the second energy level and label them with their charge. 5. What element is represented by the diagram? BORON Part B: Atomic Calculations 6. Label the information provided in the periodic table. 8 7. What does the atomic number represent? O Oxygen ATOMIC NUMBER SYMBOL PROTONS or ELECTRONS NAME 8. What does the atomic mass represent? 15.999 SYMBOL PROTONS + NEUTRONS
# of P = ____ # of N = ____ Cl # of E = ____ Atomic # = 2 Mass # = 4 # of P = ____ # of N = ____ He # of E = ____ Atomic # = 14 Mass # = 28 # of P = ____ # of N = ____ Si # of E = ____ T. Trimpe 2007 http://sciencespot.net/ Atomic Basics Answer Key Part A: Atomic Structure 1. Draw five protons in the nucleus of the atom. Label them with their charge. 2. Draw six neutrons in the nucleus of the atom. 3. Draw two electrons in the first energy level and label them with their charge. 4. Draw three electrons in the second energy level and label them with their charge. 5. What element is represented by the diagram? BORON Part B: Atomic Calculations 6. Label the information provided in the periodic table. 8 7. What does the atomic number represent? O Oxygen ATOMIC NUMBER SYMBOL PROTONS or ELECTRONS NAME 8. What does the atomic mass represent? 15.999 SYMBOL PROTONS + NEUTRONS
6.1%20AtomicBasics.docx