Chemical element whole number. For example, the relative atomic mass of chlorine is 35.453 u, which differs greatly from a whole number as it is an average of about 76% chlorine-35 and 24% chlorine-37. Whenever a relative atomic mass value differs by more than 1% from a whole number, it is due to this averaging effect, as significant amounts of more than one isotope are naturally present in a sample of that element. Chemists and nuclear scientists have different definitions of a "pure element". In chemistry, a pure element means a substance whose atoms all (or in practice almost all) have the
Shade: Wrath of Angels Shade: Wrath of Angels Shade: Wrath of Angels is a 2004 video game for Microsoft Windows, developed by Black Element Software and published by Cenega. The original name was "Nefandus", but later was changed to "Shade: Wrath of Angels" before its release. The history revolves around an ancient war between angels and gods. "Shade: Wrath of Angels" is a third-person RPG with over 30 hours of gameplay. The game consists of action/adventure elements with hidden secrets and twists. The game includes four different chapters traveling through different times and dimensions. There are 30 different levels with a tutorial included. The