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Atomic Bonding
Atomic Bonding
Atomic Bonding
Atomic Bonding
Atomic Bonding
Atomic Bonding
Atomic Bonding
Atomic Bonding
Atomic Bonding
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Atomic Bonding

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  • 1. Atomic Bonding<br />Page 12<br />
  • 2. Valence Electrons<br />Outer most shell of electrons<br />Held loosely to an atom<br />Key to all chemistry<br /> All atoms want to have full shells<br />12<br />
  • 3. Electron Dot Diagrams<br />H<br />C<br />O<br />Use the symbol for each element with a dot for each outer electron.<br />Identify each element and the number of valence electrons that it has.<br />Hydrogen<br />1<br />Carbon<br />4<br />Oxygen<br />6<br />13<br />
  • 4. Magic game of<br />
  • 5. Bonding<br />I (At #53) has how many valence electrons?<br />What will it do to fill its shells?<br />Mg (At #12) has how many valence electrons?<br />What will it do to fill its shells?<br />Atoms always to the easiest thing!<br /> Mg will always lose 2 electrons never gain 6 <br />7<br />Gain 1 electron<br />2<br />Gain 6 or lose 2 electrons<br />13<br />
  • 6. Bonding<br />Where do extra electrons go?<br />Where can atoms find the electrons they need?<br /> Atoms trade electrons = Chemical bond<br />*The fewer electrons you need to trade the more reactive the atom will be!<br />When atoms bond, new substances are made.<br />13<br />
  • 7. Review<br />How are element represented in the periodic table?<br />By symbol<br />The ____________ of an element is the number of protons in the nucleus of the atom<br />What is a row of elements across the table called?<br />Period<br />Describe how the atomic number changes across a period of elements.<br />Each element increases by 1 atomic number<br />atomic number<br />14<br />
  • 8. Review<br />What are the elements in the same column called?<br />Group or family<br />Elements within a group always have the same number of<br />Valence Electrons<br />16<br />
  • 9. Nonmetals<br />How many valence electrons do non-metals have<br />4 or more<br />Describe two ways that non-metals can combine with other elements.<br />Combine with metals to gain electrons<br /> Combine with other non-metals to share electrons<br />19<br />

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