Atoms: Subatomic Particles, Periodic Table, and Isotopes
Learn about the subatomic particles of atoms, use the Periodic Table to identify elements, and understand the concept of isotopes. Complete interactive exercises and color-coded Cornell Doodle Notes.
Atoms: Subatomic Particles, Periodic Table, and Isotopes
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Presentation Transcript
You need… • 3 colored pencils or markers: Red Blue Yellow • Your Periodic Table of Elements • Cornell Doodle Notes
1. What is an atom? The smallest part of a chemical element that can exist
3. Where are the subatomic particles? Color the protons red Color the neutrons yellow Color the electrons blue Label the parts of the atom _____ P _____ N _____ E
3. Where are the subatomic particles? nucleus Color the protons red Color the neutrons yellow Color the electrons blue proton Label the parts of the atom electron _____ P _____ N _____ E neutron
3. Where are the subatomic particles? nucleus Color the protons red Color the neutrons yellow Color the electrons blue proton Label the parts of the atom electron 8 _____ P _____ N _____ E 8 8 neutron Oxygen
Why are the number of protons and electrons equal? Creates a neutral, non charged atom
4. What is an isotope? Atoms of the same element that have a different number of neutrons
5. What does the Periodic Table tell us? Find Lithium on your periodic table: _____ _____ Lithium _____ # of _______________ and # of _______________ _______________ + _______________
Find Lithium on your periodic table: 3 Li Lithium 7 # of _______________ and # of _______________ Atomic Number Symbol Element Name _______________ + _______________ Atomic Mass
Find Lithium on your periodic table: PE 3 Li Lithium 7 # of PROTONS and # of ELECTRONS Atomic Number Symbol Element Name PROTONS+ NEUTRONS Atomic Mass
We can use this information to calculate the number of protons, neutrons, and electrons in an atom of each element. Atomic Number: _____ Atomic Mass: _____ # P _____ # N _____ # E _____ 3 Li Lithium 7
Part E: We can use this information to calculate the number of protons, neutrons, and electrons in an atom of each element. PE Atomic Number: 3 Atomic Mass: 7 # P 3 # N 4 # E 3 3 Li Lithium 7
Let’s Practice: Use your periodic table to fill in the missing information 14 ___ Silicon 28.086 Atomic # = _____ Atomic Mass= _____ # of Protons = ______ # of Neutrons = ______ # of Electrons = ______
Finish the review worksheet. • Use your Periodic Table to finish the chart on p. 3 of your Cornell Doodle Notes. • Finish coloring your Cornell Doodle Notes. Tomorrow… Isotopes