Search results

...r example, diamonds are made of [[carbon]] (C) and rubies of [[aluminium]] oxide (Al₂O₃). Next, many gems are crystals which are class ...ne]] (blue), [[red beryl]] (red), [[goshenite]] (colorless), [[heliodor]] (yellow), and [[morganite]] (pink) are all varieties of the mineral species [[beryl

...: Consists of magnesium oxide cement and air, which is made from magnesium oxide extracted from seawater. Blown with air (no CFCs, HCFCs or other harmful b ;Closed-cell polyurethane: White or yellow. May use a variety of blowing agents. Resistant to water wicking and water

[[Image:White phosphrous molecule.jpg|left|thumb|100px| Structure of yellow arsenic As₄ and white [[phosphorus]] P₄]] ...id nitrogen. It is rapidly transformed into the grey arsenic by light. The yellow form has a density of 1.97 g/cm³.<ref name="Holl"/>

...by treatment with a strong reducing reactant that destroys the protective oxide layer on the metal. Chromium metal treated in this way readily dissolves in Chromium, unlike metals such as iron and nickel, does not suffer from [[hydrogen embrittlement]]. However, it do

...hlorine atoms form the [[diatomic molecule]] {{chem|Cl|2}}. This is a pale yellow-green gas that has its distinctive strong smell, the smell of bleach. The b ...ses accompanied by concurrent thermal dehydrochlorination) may be a useful synthetic route. Industrial examples of this are the production of [[methyl chloride]

...<font color = "blue">'''β'''</font> subunits are in red and blue, and the iron-containing [[heme]] groups in green. From {{PDB|1GZX}} {{Proteopedia|Hemogl ...pelled]] '''haemoglobin''' and abbreviated '''Hb''' or '''Hgb''') is the [[iron]]-containing [[oxygen]]-transport [[metalloprotein]] in the [[red blood cel