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11/21/11                A/B DayLEQ: How can neutrons and electronsaffect the characteristics of an atom?1. What is an isot...
Let’s Review: UNSCRAMBLE!Protons =Electrons =Neutrons =
Let’s Review: UNSCRAMBLE!Protons = POSITIVEElectrons = NEGATIVENeutrons = NEUTRAL
LET’S REVIEW: N-14Protons =   7Electrons = 7Neutrons = 7
Normal Nitrogen Atom: Equal # ofprotons and electrons  PROTONS ELECTRONS   +        -   +        -   +        -   +       ...
LETS REVIEW: DRAWING ELECTRONSHelium (He)   Nitrogen (N)   Sodium (Na)Period: 1     Period: 2      Period: 3Ring(s): 1    ...
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, y...
Focus Vocabulary:66. Isotope67. Ion68. Valence Electron
ION
IONAtom with a different number ofelectrons; has a + or — CHARGE
Normal Nitrogen Atom: Equal # ofprotons and electrons  PROTONS ELECTRONS   +        -   +        -   +        -   +       ...
Nitrogen ION: NITROGEN ATOM THATHAS EITHER GAINED OR LOST ELECTRONS PROTONS ELECTRONS   +       -   +       -   +       - ...
NORMAL NITROGEN    Protons: 7    Neutrons: 7    Electrons: 7                   Protons: 7                   Neutrons: 7   ...
NORMAL NITROGEN    Protons: 7    Neutrons: 7    Electrons: 7                   Protons: 7                   Neutrons: 7   ...
BrainPop-Ions
Draw this in your notes…            VALENCE ELECTRONS:            ELECTRONS IN THE            OUTERMOST RING
HOW MANY VALENCE ELECTRONS?
HOW MANY VALENCE ELECTRONS?
HOW MANY VALENCE ELECTRONS?
Which one is the ion?     HELIUM
Which one is the ion?      LITHIUMION
Which one is the ion?     FLOURINE             ION
ION  Atom with a different number of             electronsN1+ = nitrogen that LOST one valenceelectronN2- = nitrogen that ...
Copy this in your notes…               2-ELEMENT              ATOM’SSYMBOL               CHARGE
Finding the CHARGE of an ION:1.Draw a T-Chart2.Count the protons3.Count the electrons4.Calculate the charge!
What is the charge of each atom?           HELIUM                     +    -                     +    -                  C...
What is the charge of each atom?           HELIUM                     +    -                     +                  CHARGE...
What is the charge of each atom?           LITHIUM                    +     -                    +     -                  ...
What is the charge of each atom?           LITHIUM                    +     -                    +     -                  ...
What is the charge of each atom?           FLOURINE       CHARGE: 0        ION? NO!      +     -                      +   ...
What is the charge of each atom?           FLOURINE       CHARGE: -1        ION? YES!     +     -                      +  ...
In your notebook:1. Protons Electrons  Charge:  Ion:
1. Protons: 6     4. Protons: 16 7. Protons: 9   Electrons: 5      Electrons: 18  Electrons: 9   Charge: 1+        Charge:...
10. Protons: 3   Electrons:3   Charge: 0   Ion? No
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 los...
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11/21/11

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11/21/11

  1. 1. 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?!
  2. 2. Let’s Review: UNSCRAMBLE!Protons =Electrons =Neutrons =
  3. 3. Let’s Review: UNSCRAMBLE!Protons = POSITIVEElectrons = NEGATIVENeutrons = NEUTRAL
  4. 4. LET’S REVIEW: N-14Protons = 7Electrons = 7Neutrons = 7
  5. 5. Normal Nitrogen Atom: Equal # ofprotons and electrons PROTONS ELECTRONS + - + - + - + - + - + - + -
  6. 6. LETS REVIEW: DRAWING ELECTRONSHelium (He) Nitrogen (N) Sodium (Na)Period: 1 Period: 2 Period: 3Ring(s): 1 Ring(s): 2 Ring(s): 3
  7. 7. How do we know how many electrons fit in each ring? COUNT!1st Period = 22nd Period = 83rd Period = 8
  8. 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
  9. 9. Focus Vocabulary:66. Isotope67. Ion68. Valence Electron
  10. 10. ION
  11. 11. IONAtom with a different number ofelectrons; has a + or — CHARGE
  12. 12. Normal Nitrogen Atom: Equal # ofprotons and electrons PROTONS ELECTRONS + - + - + - + - + - + - + -
  13. 13. Nitrogen ION: NITROGEN ATOM THATHAS EITHER GAINED OR LOST ELECTRONS PROTONS ELECTRONS + - + - + - + - + - + - + Missing Electrons!
  14. 14. NORMAL NITROGEN Protons: 7 Neutrons: 7 Electrons: 7 Protons: 7 Neutrons: 7 Electrons: 6 NITROGEN ION
  15. 15. NORMAL NITROGEN Protons: 7 Neutrons: 7 Electrons: 7 Protons: 7 Neutrons: 7 Electrons: 8 NITROGEN ION
  16. 16. BrainPop-Ions
  17. 17. Draw this in your notes… VALENCE ELECTRONS: ELECTRONS IN THE OUTERMOST RING
  18. 18. HOW MANY VALENCE ELECTRONS?
  19. 19. HOW MANY VALENCE ELECTRONS?
  20. 20. HOW MANY VALENCE ELECTRONS?
  21. 21. Which one is the ion? HELIUM
  22. 22. Which one is the ion? LITHIUMION
  23. 23. Which one is the ion? FLOURINE ION
  24. 24. ION Atom with a different number of electronsN1+ = nitrogen that LOST one valenceelectronN2- = nitrogen that GAINED two valenceelectrons
  25. 25. Copy this in your notes… 2-ELEMENT ATOM’SSYMBOL CHARGE
  26. 26. Finding the CHARGE of an ION:1.Draw a T-Chart2.Count the protons3.Count the electrons4.Calculate the charge!
  27. 27. What is the charge of each atom? HELIUM + - + - CHARGE: 0 ION? NO!
  28. 28. What is the charge of each atom? HELIUM + - + CHARGE: 1+ ION? YES!
  29. 29. What is the charge of each atom? LITHIUM + - + - + - CHARGE: 0 ION? NO!
  30. 30. What is the charge of each atom? LITHIUM + - + - + - CHARGE: 1+ ION? YES!
  31. 31. What is the charge of each atom? FLOURINE CHARGE: 0 ION? NO! + - + - + - + - + - + - + - + - + -
  32. 32. What is the charge of each atom? FLOURINE CHARGE: -1 ION? YES! + - + - + - + - + - + - + - + - + - -
  33. 33. In your notebook:1. Protons Electrons Charge: Ion:
  34. 34. 1. Protons: 6 4. Protons: 16 7. Protons: 9 Electrons: 5 Electrons: 18 Electrons: 9 Charge: 1+ Charge: 2- Charge: 0 Ion: YES Ion: YES Ion: NO2. Protons: 8 5. Protons: 2 8. Protons: 5 Electrons: 8 Electrons: 1 Electrons: 7 Charge: 0 Charge: 1+ Charge: 2- Ion: NO Ion: YES Ion: YES3. Protons: 10 6. Protons: 11 9. Protons: 18 Electrons: 10 Electrons: 10 Electrons: 16 Charge: 0 Charge: 1+ Charge: 2+ Ion: NO Ion: YES Ion: YES
  35. 35. 10. Protons: 3 Electrons:3 Charge: 0 Ion? No
  36. 36. 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?

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