protons neutrons electrons nucleus n n e e p p p n n do now: draw a model of an atom, label the...
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![Page 1: Protons Neutrons Electrons Nucleus n n e e p p p n n Do Now: Draw a model of an atom, label the following: Protons, Neutrons, Electrons, and nucleus](https://reader030.vdocuments.net/reader030/viewer/2022033022/56649f455503460f94c669f9/html5/thumbnails/1.jpg)
ProtonsNeutronsElectronsNucleus
nn
e e
e
e
p
p
p
nn
Do Now: Draw a model of an atom, label the following:Protons, Neutrons, Electrons, and nucleus
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HOMEWORK AND ANNOUNCEMENTS
Due Today: Vocabulary, textbook, Research Plan, Forms 1A and 1B due today
Science Fair Countdown Start collecting data!
Chapter 9 textbook pages 322-327
Vocabulary Word Find
USA TestPrep
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L.O. SWBAT use the periodic table to determine the number of p+ and e- in an atom.
Using the Periodic Table
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![Page 5: Protons Neutrons Electrons Nucleus n n e e p p p n n Do Now: Draw a model of an atom, label the following: Protons, Neutrons, Electrons, and nucleus](https://reader030.vdocuments.net/reader030/viewer/2022033022/56649f455503460f94c669f9/html5/thumbnails/5.jpg)
Turn notebook sideways.Copy this diagram into notes.Leave space to add labels.
6
C
12.01
Atomic Number
Chemical Symbol
Average Atomic Mass
Carbon Element Name
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Chemical Symbol Represents an element 1 or 2 letters 1st letter capitalized & 2nd
letter lower case Example:
C = Carbon O = Oxygen Co = Cobalt
Non-Example CO = Carbon monoxide (Compound: Carbon and Oxygen)
6
C
12.01
Chemical Symbol
Carbon
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1.Oxygen
2.Lithium
3.Beryllium
4.Potassium
5.Argon
6.Chlorine
7.Phosphorus
8.Aluminum
9.Silver
10.Tin
O
Li
Be
K
Ar
Cl
P
Al
Ag
Sn
Use your periodic table to find the chemical symbol for the following elements.
(Write the element and your answer in your notes)
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Atomic Number Equals # of protons in
an atom. Equals # of electrons
in an atom. Each element has a
different atomic number.
6
C
12.01
Atomic Number
Carbon
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1.Oxygen
2.Lithium
3.Beryllium
4.Potassium
5.Argon
6.Chlorine
7.Phosphorus
8.Aluminum
9.Silver
10.Tin
8
3
4
19
18
17
15
13
47
50
Use your periodic table to find the atomic number for the following elements.
(Next to the chemical symbol, write the # of p+.)
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Atomic Number Average mass of an
element’s atoms.6
C
12.01 Atomic Mass
Carbon
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1.Oxygen
2.Lithium
3.Beryllium
4.Potassium
5.Argon
6.Chlorine
7.Phosphorus
8.Aluminum
9.Silver
10.Tin
16
7
9
39
40
35
31
27
108
119
Use your periodic table to find the atomic mass for the following elements.
(Write the atomic mass in your notes)
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A little math…
Atomic Mass- Atomic Number # of neutrons
6
C
12.01 Atomic Mass
Carbon
Atomic Number
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Try it!!
How many neutrons does a carbon atom have?
6
C
12.01 Atomic Mass
Carbon
Atomic Number 12
- 6 6 neutrons
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5B
Boron10.81
2He
Helium4.003
11Na
Sodium22.990
17Cl
Chlorine35.453
Raise your hand to answer the following.
1. What is the atomic number for Chlorine?
2. What is the atomic number for Boron?
3. How many protons are in an atom of Na?
4. How many protons are in an atom of He?
5. How many electrons are in an atom of Cl?
6. How many protons are in an atom of Chlorine?
7. What is the atomic mass of Helium?
8. How many neutrons does Helium have?
17
5
11
2
17
17
4
4 – 2 = 2
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+
+
+nn
n
n
e-
e-
e-
What do you see?Protons:____Electrons: ____Neutrons:____Mass Number: ________
What do you know?Atomic Number: ____Element Name: ________Chemical Symbol:____Avg. Atomic Mass: _____
e- + n
Practice
What do you know!
101012
p+ + n = 22
10
NeNeon
20.18
e-
e-
e-
e-
e-
e-+
+++
+
+
n
n
n
n
n
n
n
Hints:
p+ = 10n = 12mass number = (p+) + n
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Summary (3-4 sentences)
Today I learned about…
Helper questions How do we determine the number of p+ an atom has?
Electrons?Netrons?
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Independent Work
Test Corrections – in notebook Question, correct answer, and why
Textbook Pages 322-327 Vocabulary Word Find
definitions (in notebook)