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How do you think the identity of an element is determined?
35 APE MAN 36 APE MAN Sep 17, 2015 Sep 17, 2015 EQ: What is the significance of an elements identity? Application Starter How do you think the identity of an element is determined? Practice Connection Exit
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Agenda 1. Starter 2.Atomic Square Notes 3. ApeMan 4. Exit
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Table of Contents Date Lecture/ Activity/ Lab Page
9/ Energy Transfer Cards 9/ Food Web 9/14 Atomic History/Theorist 9/ Atomic Structure 9/ Atomic Charges 9/ Ape Man
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Practice: atomic number equal (=) to the number of Protons in the atom. 1 H 1.008 Hydrogen The Symbol rules: The first letter is always CAPTIAL. The second letter is always lowercase. No periods are used. atomic mass is the mass of all the protons and all the neutrons in the atom.
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Application: = - A P E M N tomic number rotons lectrons ass number
eutrons
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Application: Fluorine Potassium Chlorine Atomic number Protons Electrons Mass number Atomic number Neutrons = - A=9 P= E= M= A= N= 19 17 A= P= E= M= N= A= P= E= M= N= 9 19 17 9 19 17 19 39 35 -9 17 19 10 20 18
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Connection: Fill in the missing information about each atom. Atomic #:
_____ Protons : ______ Electrons Neutrons: _______ (Atomic) Mass #: Atomic #: _____ Protons : ______ Electrons Neutrons: _______ (Atomic) Mass #: Atomic #: _____ Protons : ______ Electrons Neutrons: _______ (Atomic) Mass #: Atomic #: _____ Protons : ______ Electrons Neutrons: _______ (Atomic) Mass #: Atomic #: _____ Protons : ______ Electrons Neutrons: _______ (Atomic) Mass #: Atomic #: _____ Protons : ______ Electrons Neutrons: _______ (Atomic) Mass #: 1 1 1 1
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35 APE MAN APE MAN 36 Sep 17, 2015 Sep 17, 2015 Application EQ: What is the significance of an elements identity? A PE MAN Starter How do you think the identity of an element is determined? Practice Connection Glue in the strip Exit:“A majority of an atom’s mass is located in the nucleus.” Do you agree or disagree with this statement? Explain.
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Exit: Explain why you agree with this statement?
“A majority of an atom’s mass is located in the nucleus.” Explain why you agree with this statement?
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