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Activity Title: The elements.
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<font color="#FFFFFF" size="7" face="Verdana, Arial, Helvetica, sans-serif"><strong>Building
Atoms</strong> </font>
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<img src="atomMainIdea.png" width="98" height="58">
</td>
<td>
<font size="4" face="Verdana, Arial, Helvetica, sans-serif">What
makes an atom hydrogen or carbon or neon? On this page you will
learn which one of the particles that make up an atom is responsible
for its identity.</font>
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<td>
<font color="#a65d2c" size="5" face="Verdana, Arial, Helvetica, sans-serif"><strong>Atomic
Structure: The Elements</strong></font>
</td>
</tr>
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<td colspan="2">
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<font face="Verdana, Arial, Helvetica, sans-serif" size="4">The modern
view of an atom consists of a nucleus made from protons and neutrons with
electrons surrounding it in regions of high probability called orbitals.
Different combinations of these three particles make up every kind of atom
in the universe. There are about 100 known different elements - the
substances listed on a periodic table.</font>
<p>
<font size="4" face="Verdana, Arial, Helvetica, sans-serif"><strong>Using
the atom builder below, experiment with combining different amounts of
protons, neutrons and electrons to make various kinds of atoms. Each
atom you create will be a specific isotope (an atom with a definite
number of protons and neutrons).</strong></font>
</p>
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<td style="background-color: #FFFFFF" colspan="3" align="center">
<font size="4" face="Verdana, Arial, Helvetica, sans-serif"><strong>Build
An Atom<br><input script="script:mw:1:
set %protons round(1);
set %neutrons round(0);
set %electrons round(1);
reset;
run;" value="reset to hydrogen-1" name="Submit" type="submit"></strong></font>
</td>
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<tr>
<td align="right" style="background-color: #B9C8E9">
<font face="Verdana, Arial, Helvetica, sans-serif" size="3">electrons:</font>
</td>
<td style="background-color: #B9C8E9">
<input script="script:mw:1: set %addElectron 1; set %updateNeeded 1;" value="add" name="Submit2" type="submit">
</td>
<td style="background-color: #B9C8E9">
<input script="script:mw:1: set %removeElectron 1; set %updateNeeded 1;" value="remove" name="Submit3" type="submit">
</td>
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<td align="right" style="background-color: #E3BDBE">
<font face="Verdana, Arial, Helvetica, sans-serif" size="3">protons:</font>
</td>
<td style="background-color: #E3BDBE">
<input script="script:mw:1: set %addProton 1; set %updateNeeded 1;" value="add" name="Submit22" type="submit">
</td>
<td style="background-color: #E3BDBE">
<input script="script:mw:1: set %removeProton 1; set %updateNeeded 1;" value="remove" name="Submit32" type="submit">
</td>
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<td align="right" style="background-color: #E2E2E2">
<font face="Verdana, Arial, Helvetica, sans-serif" size="3">neutrons</font>:
</td>
<td style="background-color: #E2E2E2">
<input script="script:mw:1: set %addNeutron 1; set %updateNeeded 1;" value="add" name="Submit23" type="submit">
</td>
<td style="background-color: #E2E2E2">
<input script="script:mw:1: set %removeNeutron 1; set %updateNeeded 1;" value="remove" name="Submit33" type="submit">
</td>
</tr>
</table>
<p align="center">
<span style="background-color: #FFFFFF"><img height="15" vspace="5" style="background-color: #FFFFFF" width="15" src="snapshot.gif">
<input script="script:mw:1:snapshot;" value="take a snapshot" name="Submit4" style="background-color: #FFFFFF" type="submit">
<img height="15" vspace="5" style="background-color: #FFFFFF" width="15" src="snapshot.gif">
</span>
</p>
<p align="left" style="padding-left: 10">
<span class="style6"><strong><font face="Verdana, Arial, Helvetica, sans-serif" size="3"> After
building a few atoms:<br></font></strong><font face="Verdana, Arial, Helvetica, sans-serif" size="3"> -
Reset the atom to hydrogen-1</font>.<br> - <font face="Verdana, Arial, Helvetica, sans-serif" size="3">Make
a lithium atom in the fewest possible steps</font>.<br> - <font face="Verdana, Arial, Helvetica, sans-serif" size="3">Then,
take a snapshot of your solution to this challenge.</font></span>
</p>
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<font size="4" face="Arial, Helvetica, sans-serif"><strong>Which subatomic
particle defines the kind of element an atom will be? </strong></font><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><a href="script:page:0:message elementMsg.html">hint</a></font>
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true
electron
proton
neutron
1
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<html>
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<body marginheight="5" marginwidth="5" bgcolor="rgb(230, 230, 230)">
<font size="4" face="Arial, Helvetica, sans-serif"><strong>Which number
defines the kind of element an atom will be? </strong></font>
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true
mass number
atomic number
a combination of both mass and atomic number
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<font size="4" face="Arial, Helvetica, sans-serif"><strong>Explain with a
complete sentence how you can predict the atomic number by using an atom's
number of protons, neutrons, and electrons.</strong></font>
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org.concord.modeler.ImageQuestion305230<html>
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<body marginheight="5" marginwidth="5" bgcolor="rgb(230, 230, 230)">
<font size="4" face="Arial, Helvetica, sans-serif"><strong>Put a snapshot
of your lithium atom here. </strong></font>
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<img height="26" width="28" src="page3.jpg">
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<td align="center" width="33%">
<a href="../Building Atoms/page2.cml"><font><img height="26" border="0" width="60" src="prev.jpg">
</font></a><font><a href="../Building Atoms/page4.cml"><img height="26" border="0" width="59" src="next.jpg">
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