Chemical _________

1
Chemical _________

• The Formation of _____________
• CA Standards 3b,c and 6c

2
Lewis Theory

G.N. ____________(1875-1946) recognized
____________ ___________ fundamental to
bondingelectron transfer resulting in
___________ __________sharing electrons resulting
in ___________________bondsoverlapping electrons
resulting in ________________bonds
The attraction between ____________ of one atom
to the ______________ of another atom contribute
to what is known as _____________ bonds.


3
A. Why bonding?

• All _________ want a filled _______ _______ to be
  ____________atoms (non-________)
• Atoms bond to _________their outer electron ring
• __________full set of valence electrons
  (electrons in the last ring)
• Atoms that already have a filled outer ring are
  the _________ _________
• Bonding creates _________ like water H2O and
  __________ sugar C6H22O11

4
B. Two _________of Bonding

• 1 ________
• Complete _________of electrons from one atom to
  another
• __________ particles (called _________)
• Opposite charges attract
• Occurs between a _________and a non-metal atom
• Gives a __________ a high melting/boiling point

5
Ionic Compounds

• Ionic compounds consist of a _________of positive
  and negative __________.

6

• 2 ______________ Bonding
• Atoms share ____________
• Occurs between a _____________and a non-metal
  atom

7
_____________ of Covalent Bonds

• Low __________and ___________points
• Brittle __________

8
3 Metallic Bonding

• -Electrons ______________
• -Occurs between two ________ atoms
• -Gives metals their ______________(malleability,
  ________. conductivity)

9
Lewis Dot Structures

• ___________ _________ show the
  __________electrons as ____arranged around the
  atomic symbol.
• hydrogen
• sodium
• chlorine

10
The _______Rule

• Atoms tend to _______, lose, or _______electrons
  until they have ______ ________ electrons.

11
Ionic and Molecular Compounds

• Formation of _________chloride

• Formation of ____________chloride

A metal and a nonmetal ________electrons to form
an ______compound. Two nonmetals __________
electrons to form a ___________compound.
12
Learning Check

• Draw electron dot diagrams for
• Hydrogen
• Carbon
• Nitrogen
• Oxygen
• These elements form life and make up cells, DNA,
  carbohydrates and proteins.