document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=596210>Question 596210</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sorry for the multitude of questions, but I finished all 100 problems of my science homework, and these were the only ones I need help to verify with. Thanks!<BR>\n" );
document.write( "1.Experiments with cathode rays led to the discovery of the electron.<BR>\n" );
document.write( "2.The number of atoms in a mole of any pure substance is called Avrogado's number.<BR>\n" );
document.write( "3.Rutherford's experiments led him to conclude that atoms contain massive central regions that have a positive charge.<BR>\n" );
document.write( "4.The mass of 5.000 moles of cesium (atomic mass 132.9 amu) is 6.022 times 10^23 g. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #377599 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=377599\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sorry for the multitude of questions, but I finished all 100 problems of my science homework, and these were the only ones I need help to verify with. Thanks!<BR>\n" );
document.write( "1.Experiments with cathode rays led to the discovery of the electron.<BR>\n" );
document.write( "Seems reasonable, but I'm not certain.  Google Thompson.<BR>\n" );
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document.write( "2.The number of atoms in a mole of any pure substance is called Avrogado's number.<BR>\n" );
document.write( "It's Avogadro's number.<BR>\n" );
document.write( "Avogadro's number = 6.0221415*10^23<BR>\n" );
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document.write( "3.Rutherford's experiments led him to conclude that atoms contain massive central regions that have a positive charge.<BR>\n" );
document.write( "That's true.<BR>\n" );
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document.write( "4.The mass of 5.000 moles of cesium (atomic mass 132.9 amu) is 6.022 times 10^23 g.<BR>\n" );
document.write( "I don't think so.  That's a lot of weight.<BR>\n" );
document.write( "It's 5*132.9 grams<BR>\n" );
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