Chapter 5 Lesson 1 Notes
[HOW ATOMS FORM COMPOUNDS]
1. Compound
1. A pure ________________ that contains
____________ or more
_______________.
2. Chemical
___________
2. Contains atomic ________________ and
subscripts to show the
________________ and the
________________ of atoms of each
________________ in the compound.
3. What is a
molecule?
3. A ________________ particle that forms
as a result of ________________
________________.
4. What is a
CHEMICAL
BOND?
4. A ________________ that holds
________________ ________________ in
a compound.
Chapter 5 Lesson 1 Notes
[HOW ATOMS FORM COMPOUNDS]
5. What is an
___________
Bond?
5. An ________________
________________ between
________________ and
________________ charged
________________ in an ionic compound.
 An atom can become
________________ by
________________ one or more
________________ to another atom.
Become an ________
EXAMPLE:
• A lithium atom gives up an electron to a
fluorine atom.
• The result is a positively charged lithium ion
and a negatively charged fluoride ion.
6. Likely to form
bonds….
6.
Chapter 5 Lesson 1 Notes
[HOW ATOMS FORM COMPOUNDS]
6. continued….
7. What are
properties of 7.
___________
 ________________ and break apart easily
__________?
 Have ________________ melting and boiling
points
 Many ________________ in water
 Usually ________________ at room
temperature
8. What are
VALENCE
ELECTRONS?
8. Electrons in the ________________
________________ level.
Chapter 5 Lesson 1 Notes
[HOW ATOMS FORM COMPOUNDS]
9. What does a
Lewis Dot
Diagram look
like?
10.What kind of
elements don’t
react?
9.
11.What is a
_______________
_______________
11. A ________________ bond formed when
atoms ________________ electrons. (potluck)
 Elements that are ________________
together on the periodic table are
________________ likely to share electrons
in a ________________ bond than to
________________ electrons.
10. ________________ that are
________________ rarely react to form
compounds.
12. What are
________________ 12. Organic compounds are covalent compounds
Compounds?
containing ________________ atoms and are
important for ________________ organisms.
13. What are
properties of
Covalent bonds?
13.
 Can be solids, liquids, or gases at
room temperature
 Usually have ________________ melting
and boiling points than ionic compounds
 Do ________________ usually separate in
water
 Most do ________________ conduct
electricity
Chapter 5 Lesson 1 Notes
14. Single Bond
15. Double and
Triple Bonds
[HOW ATOMS FORM COMPOUNDS]
14. A bond formed when sharing
________________ electron.
15. A bond formed when sharing ______ or _____
electrons.