Gold Element Symbol Au

This entry treats Au as the precise form of Gold Element Symbol. The encoded reference is U+0041 U+0075 (LATIN CAPITAL LETTER A + LATIN SMALL LETTER U). Au is the chemical symbol for gold, element 79. The letters derive from the Latin name aurum and must be written with capital A and lowercase u. The identity rule for this entry is: This page covers Au as the IUPAC element symbol for gold, not the astronomical unit abbreviation au, an audio label, or a brand monogram. Within this scope, Gold Element Symbol is associated with Laboratory labels; Periodic tables; Chemical formulas; Materials documentation. The page warns against Converting Au into an image even though selectable Unicode text is appropriate for gold element symbol.; Publishing gold element symbol without checking the distinction from au.; Using Au as the only accessible name of a button, diagram item, formula token, status message, or technical label.; Using Ag where Au is required changes the intended gold element symbol or introduces a different notation.. Related characters or notations include Ag Silver Chemical symbol for silver; Pt Platinum Chemical symbol for platinum; au Lowercase a u Not the element-symbol capitalization, each with a separate identity. One practical question is “Which HTML form reproduces Gold Element Symbol?” The recorded answer is: Use literal UTF-8 Au, decimal references A u, or hexadecimal references A u; do not substitute Ag. Use Au as selectable text, preserve the full sequence U+0041 U+0075, and keep the page aligned with the exact chemistry symbols intent described above.