Pg. 141-144  For Student Use Only
Chemistry is the study of the composition, structure, and properties of matter and the changes matter undergoes.
Mixtures and Compounds <ul><li>Salt and Pepper mix but still taste different  and look different. </li></ul>
Mixtures and Compounds <ul><li>Hydrogen and Oxygen make water. </li></ul><ul><li>Sodium and Chlorine make table salt. </li...
<ul><li>Valence Electrons: </li></ul><ul><ul><li>The electrons in the outermost shell </li></ul></ul><ul><ul><li>Atoms see...
Valence electrons lead to bonding.
Chemical Bonding <ul><li>Opposite charges attract and this leads to ionic Bonding. </li></ul>
Chemical Bonding <ul><li>Examples of Ionic Bonding </li></ul><ul><li>NaCl </li></ul><ul><li>(Sodium Chloride) </li></ul>
Chemical Bonding <ul><li>Examples of Covalent Bonding: </li></ul><ul><li>Water </li></ul><ul><li>(Hydrogen bonds to Oxygen...
Chemical Reactions <ul><li>This describes the reaction that forms. </li></ul><ul><li>Baking a cake is creating a series of...
Chemical Breakdown <ul><li>Example: </li></ul><ul><li>Electrolysis is used to break water molecules apart. </li></ul><ul><...
Upcoming SlideShare
Loading in...5
×

7th Grade Chapter 4 Lesson 4

496

Published on

For Student Use Only

Published in: Education, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
496
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

7th Grade Chapter 4 Lesson 4

  1. 1. Pg. 141-144 For Student Use Only
  2. 2. Chemistry is the study of the composition, structure, and properties of matter and the changes matter undergoes.
  3. 3. Mixtures and Compounds <ul><li>Salt and Pepper mix but still taste different and look different. </li></ul>
  4. 4. Mixtures and Compounds <ul><li>Hydrogen and Oxygen make water. </li></ul><ul><li>Sodium and Chlorine make table salt. </li></ul>
  5. 5. <ul><li>Valence Electrons: </li></ul><ul><ul><li>The electrons in the outermost shell </li></ul></ul><ul><ul><li>Atoms seek to have 8 electrons in their outer shells </li></ul></ul><ul><li>Electron Shells: </li></ul><ul><ul><li>1 st shell= 2 </li></ul></ul><ul><ul><li>2 nd shell= 8 </li></ul></ul><ul><ul><li>3 rd shell= 18 </li></ul></ul>Chemical Bonding
  6. 6. Valence electrons lead to bonding.
  7. 7. Chemical Bonding <ul><li>Opposite charges attract and this leads to ionic Bonding. </li></ul>
  8. 8. Chemical Bonding <ul><li>Examples of Ionic Bonding </li></ul><ul><li>NaCl </li></ul><ul><li>(Sodium Chloride) </li></ul>
  9. 9. Chemical Bonding <ul><li>Examples of Covalent Bonding: </li></ul><ul><li>Water </li></ul><ul><li>(Hydrogen bonds to Oxygen) </li></ul>
  10. 10. Chemical Reactions <ul><li>This describes the reaction that forms. </li></ul><ul><li>Baking a cake is creating a series of chemical reactions. </li></ul>
  11. 11. Chemical Breakdown <ul><li>Example: </li></ul><ul><li>Electrolysis is used to break water molecules apart. </li></ul><ul><li>Nitrogen Cycle breaks down nitrogen bonds. </li></ul>

×