11/21/11 A/B DayLEQ: How can neutrons and electronsaffect the characteristics of an atom?1. What is an isotope?2. How do we find the number of neutrons in anatom?3. How many protons and neutrons does He-5have?4. Which atom has more mass? N-14 or N-16?5. Explain your answer for # 4! How did youknow?!
How do we know how many electrons fit in each ring? COUNT!1st Period = 22nd Period = 83rd Period = 8
Today’s LEQ: How can neutrons andelectrons affect the characteristics of an atom? By the end of today, you should be able to… 1. Model isotopes when given a specific atomic mass 2. Model ions when given specific charge 3. Tell the charge of a diagram of an atom
Focus Vocabulary:66. Isotope67. Ion68. Valence Electron
Summarizer:1. What is an ion?2. What happens to an atom when it gains an electron?3. What happens to an atom when it loses an electron?4. A carbon atom has 8 electrons. Is it an ion?5. A nitrogen atom has 5 electrons. What is its charge?