DescriptionMonoisotopic, mononuclidic, radioactive elements.svg	English: Elements:    Polyisotopic    Monoisotopic (mass number shown) with natural radionuclides    Monoisotopic and mononuclidic (mass number shown)    Mononuclidic radioactive (mass number of the only natural radionuclide shown)    Other radioactive Natural radionuclides: ◤  none ◤  ◤  one isotope ■■ more than one isotope other: unclear or controversial The choice of colors is actually not erratic. The presence of green (RGB), or absence of magenta (CMYK), indicates stability (existence of at least one stable isotope). 209Bi is practically stable, so it is made orange, i.e. placed midway. And all mononuclidic elements does not have a blue (RGB) component. The orange color means practically stable nuclides (with half-life greater than 1012 years)
Date	21 October 2012 – 2012-10-22
Source	Own work
Author	Incnis Mrsi
Other versions
SVG development InfoField	The SVG code is valid.   This symbol was created with perl.   This symbol uses translateable embedded text.

<syntaxhighlight lang="perl">

1. !/usr/bin/perl

my @elements = (

1. sym, pe, g, RGB color, mass, natural radionuclide (0=no, "+"=many, undef=controversial or already stated)

["n", 0, 18, 0, 1, 0 ], ["H", 1, 1, "#FFF", 0, 3 ], ["He", 1, 18, "#FFF", 0, 0 ], ["Li", 2, 1, "#FFF", 0, 0 ], ["Be", 2, 2, "#0F0", 9], ["B", 2, 13, "#FFF", 0, 0 ], ["C", 2, 14, "#FFF", 0, 14 ], ["N", 2, 15, "#FFF", 0, 0 ], ["O", 2, 16, "#FFF", 0, 0 ], ["F", 2, 17, "#0F0", 19], ["Ne", 2, 18, "#FFF", 0, 0 ], ["Na", 3, 1, "#0F0", 23], ["Mg", 3, 2, "#FFF", 0, 0 ], ["Al", 3, 13, "#0F0", 27], ["Si", 3, 14, "#FFF", 0, 0 ], ["P", 3, 15, "#0F0", 31], ["S", 3, 16, "#FFF", 0, 0 ], ["Cl", 3, 17, "#FFF", 0], ["Ar", 3, 18, "#FFF", 0, 0 ], ["K", 4, 1, "#FFF", 0, 40 ], ["Ca", 4, 2, "#FFF", 0, 48, "_" ], ["Sc", 4, 3, "#0F0", 45], ["Ti", 4, 4, "#FFF", 0, 0 ], ["V", 4, 5, "#9FF", 51, 50, "_" ], ["Cr", 4, 6, "#FFF", 0, 0 ], ["Mn", 4, 7, "#0F0", 55], ["Fe", 4, 8, "#FFF", 0, 0 ], ["Co", 4, 9, "#0F0", 59], ["Ni", 4, 10, "#FFF", 0, 0 ], ["Cu", 4, 11, "#FFF", 0, 0 ], ["Zn", 4, 12, "#FFF", 0, 0 ], ["Ga", 4, 13, "#FFF", 0, 0 ], ["Ge", 4, 14, "#FFF", 0, 76, "_" ], ["As", 4, 15, "#0F0", 75], ["Se", 4, 16, "#FFF", 0, 82, "_" ], ["Br", 4, 17, "#FFF", 0, 0 ], ["Kr", 4, 18, "#FFF", 0, 78, "_" ], ["Rb", 5, 1, "#0FF", 85, 87 ], ["Sr", 5, 2, "#FFF", 0, 0 ], ["Y", 5, 3, "#0F0", 89], ["Zr", 5, 4, "#FFF", 0, 96, "_" ], ["Nb", 5, 5, "#0F0", 93], ["Mo", 5, 6, "#FFF", 0, 100, "_" ], ["Tc", 5, 7, "#F0F", 0], ["Ru", 5, 8, "#FFF", 0, 0 ], ["Rh", 5, 9, "#0F0", 103], ["Pd", 5, 10, "#FFF", 0, 0 ], ["Ag", 5, 11, "#FFF", 0, 0 ], ["Cd", 5, 12, "#FFF", 0, "_" ], ["In", 5, 13, "#9FF", 113, 115, "_" ], ["Sn", 5, 14, "#FFF", 0, 0 ], ["Sb", 5, 15, "#FFF", 0, 0 ], ["Te", 5, 16, "#FFF", 0, "+" ], ["I", 5, 17, "#0F0", 127], ["Xe", 5, 18, "#FFF", 0, "+" ], ["Cs", 6, 1, "#0F0", 133], ["Ba", 6, 2, "#FFF", 0, 130, "_" ], ["La", 6, 0, "#0FF", 139, 138], ["Ce", 6, 0, "#FFF", 0, 0 ], ["Pr", 6, 0, "#0F0", 141], ["Nd", 6, 0, "#FFF", 0, "_" ], ["Pm", 6, 0, "#F0F", 0], ["Sm", 6, 0, "#FFF", 0, "+" ], ["Eu", 6, 0, "#9FF", 153, 151, "_" ], ["Gd", 6, 0, "#FFF", 0, 152, "_" ], ["Tb", 6, 0, "#0F0", 159], ["Dy", 6, 0, "#FFF", 0, 0 ], ["Ho", 6, 0, "#0F0", 165], ["Er", 6, 0, "#FFF", 0, 0 ], ["Tm", 6, 0, "#0F0", 169], ["Yb", 6, 0, "#FFF", 0, 0 ], ["Lu", 6, 0, "#0FF", 175, 176 ], ["Hf", 6, 4, "#FFF", 0, 174, "_" ], ["Ta", 6, 5, "#FFF", 0, 0 ], ["W", 6, 6, "#FFF", 0, 180, "_" ], ["Re", 6, 7, "#0FF", 185, 187 ], ["Os", 6, 8, "#FFF", 0, 186, "_" ], ["Ir", 6, 9, "#FFF", 0, 0 ], ["Pt", 6, 10, "#FFF", 0, 190 ], ["Au", 6, 11, "#0F0", 197], ["Hg", 6, 12, "#FFF", 0, 0 ], ["Tl", 6, 13, "#FFF", 0, 0 ], ["Pb", 6, 14, "#FFF", 0, 0 ], ["Bi", 6, 15, "#F60", 209], ["Po", 6, 16, "#F0F", 0], ["At", 6, 17, "#F0F", 0], ["Rn", 6, 18, "#F0F", 0], ["Fr", 7, 1, "#F0F", 0], ["Ra", 7, 2, "#F0F", 0], ["Ac", 7, 0, "#F0F", 0], ["Th", 7, 0, "#F00", 0, "+" ], ["Pa", 7, 0, "#F00", 231], ["U", 7, 0, "#F0F", 0, "+" ], ["Np", 7, 0, "#F0F", 0], ["Pu", 7, 0, "#F0F", 0], ["Am", 7, 0, "#F0F", 0, 0 ], ["Cm", 7, 0, "#F0F", 0, 0 ], ["Bk", 7, 0, "#F0F", 0, 0 ], ["Cf", 7, 0, "#F0F", 0, 0 ], ["Es", 7, 0, "#F0F", 0, 0 ], ["Fm", 7, 0, "#F0F", 0, 0 ], ["Md", 7, 0, "#F0F", 0, 0 ], ["No", 7, 0, "#F0F", 0, 0 ], ["Lr", 7, 0, "#F0F", 0, 0 ], ["Rf", 7, 4, "#F0F", 0, 0 ], ["Db", 7, 5, "#F0F", 0, 0 ], ["Sg", 7, 6, "#F0F", 0, 0 ], ["Bh", 7, 7, "#F0F", 0, 0 ], ["Hs", 7, 8, "#F0F", 0, 0 ], ["Mt", 7, 9, "#F0F", 0, 0 ], ["Ds", 7, 10, "#F0F", 0, 0 ], ["Rg", 7, 11, "#F0F", 0, 0 ], ["Cn", 7, 12, "#F0F", 0, 0 ], ["Nh", 7, 13, "#F0F", 0, 0 ], ["Fl", 7, 14, "#F0F", 0, 0 ], ["Mc", 7, 15, "#F0F", 0, 0 ], ["Lv", 7, 16, "#F0F", 0, 0 ], ["Ts", 7, 17, "#F0F", 0, 0 ], ["Og", 7, 18, "#F0F", 0, 0 ], );

sub start_box {

 my $fill="";
 $fill=' style="fill:'.$_[2].'"' if ($_[2]);
 print "<g> <rect$fill x=\"".(20*$_[1]-19)."\" width=\"18\" y=\"".($_[0]-19)."\" height=\"18\"/> ";

};

sub make_tria {

 my $fill="";
 $fill=' style="fill:'.$_[2].'"' if ($_[2]);
 print "<polyline$fill points=\""
   .(20*$_[1]-19).",".($_[0]-19)." "
   .(20*$_[1]-12).",".($_[0]-19)." "
   .(20*$_[1]-19).",".($_[0]-14)
   ."\"/> ";

};

sub make_text {

 my $cl="";
 $cl=' class="'.$_[3].'"' if ($_[3]);
 print "<text$cl x=\"".$_[0]."\" y=\"".$_[1]."\">".$_[2]."</text> ";

};

sub smart_symbol {

 make_text ($_[0], $_[1], $_[2], (length($_[2])>2)?"smallsym":"sym");

};

sub smart_number {

 my $x = $_[0] - 3;
 my $cl = "num";
 if ( $_[2] >=100 ) { $cl = "smallnum"; $x -= 3; }
 elsif ( $_[2] >=10 ) { $x -= 3; };
 make_text ($x, $_[1], $_[2], $cl);

};

sub print_Z {

 my $ref = $elements[$_[0]];
 return unless $ref;
 my $intro;
 my $base_y = 20 * $ref->[1];
 my $group = $ref->[2];
 if ($group == 1) { # First element in a period
   $intro = $ref->[1];
 }
 elsif (!$group) { 
   if ( $ref->[1] == 6) { # Lanthanoid
     if ($_[0] == 57) { # Lanthanum
       start_box($base_y, 3); make_text (45, $base_y-8, "*", "sym"); print "</g>";
       $intro = "* lanthanoids";
     };
     $base_y = 168;
     $group = $_[0] - 54;
   }
   elsif ( $ref->[1] == 7) { # Actinoid
     if ($_[0] == 89) { # Actinium
       start_box($base_y, 3); make_text (43, $base_y-8, "**", "sym"); print "</g>";
       $intro = "** actinoids";
     };
     $base_y = 190;
     $group = $_[0] - 86;
   }
   else { return; };
 };
 if ($intro) {
   print "\n";
   make_text (($intro=~/^\*/)?3:-5, $base_y-10, $intro) if ($intro);
   print "\n";
 };
 start_box ($base_y, $group, $ref->[3] # background (if defined)
   );
 if (defined($ref->[5])) {
   if ($ref->[5] =~ /^[\+_]/) { # several radionuclides
     print '<rect class="rnm"'.(($ref->[5]=~/^_/)?' style="fill:#F96"':)
       .' x="'.(20*$group-19).'" width="5" y="'.($base_y-19).'" height="4"/> ';
   }
   elsif ($ref->[5]) {
     make_tria ($base_y, $group,
     ($ref->[6])?"#F60" #several "radionuclides" are practically stable
     :"#F00");
   }
   else { make_tria ($base_y, $group); }; # no radionuclides (the default style)
 };
 smart_number (20*$group-11, $base_y-5, $_[0]); # Atomic number
 smart_symbol (20*$group-13, $base_y-9, $ref->[0]); # Symbol
 smart_number (20*$group-12, $base_y-11, $ref->[4]) if ($ref->[4]); # Mass number
 print "</g>\n"; # end box

};

print "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\ <!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\ <svg xmlns=\"http://www.w3.org/2000/svg\" xml:space=\"preserve\" width=\"1098\" height=\"588\" viewBox=\"-5 -6 366 196\"\

xmlns:xlink=\"http://www.w3.org/1999/xlink\">\
 <defs>\
   <style type=\"text/css\">\
     <![CDATA[\

rect {stroke:#666; stroke-width:1px; fill:none} /* for cells */\ text {fill:#000; font-family:sans; font-size:5px; stroke:none} /* periods and groups */\ .sym {font-family:serif; font-size:7px}\ .smallsym {font-family:serif; font-size:5.5px} /* Uu? */\ .num {font-size:4px} /* up to 99 */\ .smallnum {font-size:3px} /* 100 and greater */\ polyline {stroke:none; fill:#000} /* this default for \"no radionuclides\" */\ .rnm {fill:#7F00FF; stroke:none} /* several radionuclides */\

     ]]>\
   </style>\
 </defs>\n\n";

my $group;

 make_text ( 8, -1, 1);
 make_text (28, 18, 2);

for ( $group=3; $group<=12; $group++) { make_text(20*$group-12, 58, $group); }; for ($group=13; $group<=17; $group++) { make_text(20*$group-14, 18, $group); };

 make_text (346, -1, 18);

my $Z; for ($Z=1; $Z<=118; $Z++) { print_Z ($Z); }; print "</svg>\n"; }} }}

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