Chemistry WarmUp: Take a Stand

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Transcript Chemistry WarmUp: Take a Stand

Finals Week agenda:
January 18, 2011
WarmUp: Agenda / Take a Stand
InClass: Last chance final review Homework: Study!
Final Exams:
Thursday, 1/20
p4 8:35 p5 11:00
Friday, 1/21
p6 8:35 p7 11:00
Chemistry WarmUp: Take a Stand
Copy each statement and explain why it is true or false.
1. All molecular compounds are composed of atoms of
two or more different elements. True or False?
2. All compounds contain molecules. True or False?
3. No elements exist as molecules. True or False?
4. Molecular compounds are composed of two or more
nonmetallic elements. True or False?
5. Atoms in molecular compounds share electrons True
or False?
6. Molecular compounds tend to have higher melting and
boiling points than ionic compounds. True or False?
True
Take a Stand
False
1. All molecular compounds
are composed of atoms of
two or more different
elements.
True
Take a Stand
False
2. All compounds
contain
molecules.
True
Take a Stand
False
3. No elements exist
as molecules.
True
Take a Stand
False
4. Molecular compounds are
composed of two or more
nonmetallic elements.
True
Take a Stand
False
5. Atoms in molecular
compounds share
electrons.
Take a Stand
True
False
6. Molecular compounds tend to
have higher melting and boiling
points than ionic compounds.