Transcript Lesson 15: Review for the Atomic History Quiz

Lesson 15: Review for the
Atomic History Quiz
• Our understanding of the ATOM evolved
over a long period of time, and was
developed by many scientists.
• ATOMS and all MATTER cannot be created
or destroyed in any reaction, they can only
rearrange.
• There are 3 sub-atomic particles: protons,
electrons, and neutrons.
Lesson 15: Review for the
Atomic History Quiz
• What are the charges of each subatomic
particle?
• What is the mass of each subatomic
particle?
• Where are these particles located in the
atom?
Lesson 15: Review for the
Atomic History Quiz
• How are atomic number, the number of
protons and the number of electrons related
in an atom?
• How is atomic mass calculated?
• How can you find the number of neutrons
an atom has?
Lesson 15: Review for the
Atomic History Quiz
• Whose experiment is this? What was it called?
Lesson 15: Review for the
Atomic History Quiz
• What did science learn from this experiment?
Lesson 15: Review for the
Atomic History Quiz
• We know that atoms and matter cannot be
gained or lost, so…
2H2O 2 H2
36 grams
4 grams
+ O2
???grams
Lesson 15: Review for the
Atomic History Quiz
• The first 10 minutes, try to think like the teacher
•
•
– what is going to be on this quiz? Make a short
list.
Use the list to study your homeworks and your
notes for at least 30 minutes. – time yourself.
Then, try to make up problems and then try to
solve them for 20 minutes. This is active
studying !