Your SlideShare is downloading. ×

Notes gb lab 10 names bond ionic bond 02

180
views

Published on


0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
180
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
1
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Conclusions…
  • 2. The student will:Accurately identify thecharacteristics of an Ionic Bondand a Covalent BondDemonstrate what causes achemical bond
  • 3. Valence ElectronIonic BondCovalent Bond
  • 4. The electronslocated on theouter energylevel of eachelement.
  • 5. The Number of valenceelectrons ranges from 1 – 8▪Atoms with 1 – 7 valence electronsare unstable and require bonding tomake them complete▪Atoms with 8 valence electrons,The Noble Gases, are stable andtherefore do not bond with anyother elements.
  • 6. A chemical bond between a metaland a nonmetal. It is when valence electrons areborrowed/taken from the metal to bringthe outer energy electron level of thenonmetal up to 8 The metal “Donates”electrons to thenon-metal
  • 7. Metals donate, loan (lose)electrons while nonmetalsborrow (gain) electronsEach metal loses electronsbecoming a Positive (+) IonEach nonmetal gains electronsbecoming a Negative (-) Ion
  • 8. Have a high conductivityreading > 700 Micro-SiemensEasily broken
  • 9.  A bond betweentwo like atoms ora nonmetal andanothernonmetal▪ The outer energylevel electrons areshared betweenthe two atoms tomake the valencecomplete at 8.
  • 10. Are a very strong bond▪Are found in solid, liquid andgas form▪Bond like a chain link▪Low conductivity < 500micro-Siemens
  • 11. Most atoms bythemselves are unstableAll atom families/groupsexcept group 18, TheNoble Gases are unstable
  • 12. Atoms seek to completetheir outer energy level tobecome stable
  • 13. To become stable, atomsneed to bond with otheratomsMetals w/ NonmetalsNonmetals w/ NonmetalsSame atom w/ same atom
  • 14. Elements with:Low valence numbers(metals) lose electronsHigh valence numbers(nonmetals) gain electrons
  • 15. There are two types ofchemical bonds▪Ionic Bonds▪Covalent Bonds
  • 16. Ionic Bond▪Metals with nonmetals▪Na(1) + Cl(7) = NaCl(8)(valence numbers in parentheses)
  • 17. Covalent Bond▪Nonmetals w/ nonmetals▪Example:H(1) + H(1) + O(6)  H2O (8)(valence numbers in parentheses)
  • 18. We can test for bond type bytesting the conductivity of achemical compound solutionThe chemicals in waterBy measuring Conductivity inMicro-Siemens
  • 19. Remember:Bonding takes place to giveatoms stabilityBonding allows forcompounds to form
  • 20. Remember:Atoms that are nonmetalsand bond w/ nonmetals aswell as atoms bonding withlike atoms form CovalentBonds
  • 21. Remember:Atoms that are metals andbond with non- metals formIonic Bonds
  • 22. Whew!Have a great day!