Gold Wallpapers

Gold is a chemical element with symbol Au (from Latin: aurum) and atomic number 79. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal and a group 11 element. It is one of the least reactive chemical elements and is solid under standard conditions. Gold often occurs in free elemental (native) form, as nuggets or grains, in rocks, in veins, and in alluvial deposits. It occurs in a solid solution series with the native element silver (as electrum) and also naturally alloyed with copper and palladium. Less commonly, it occurs in minerals as gold compounds, often with tellurium (gold tellurides).

Gold's atomic number of 79 makes it one of the higher numbered, naturally occurring elements. It is thought to have been produced in supernova nucleosynthesis, from the collision of neutron stars, and to have been present in the dust from which the Solar System formed. Because the Earth was molten when it was formed, almost all of the gold present in the early Earth probably sank into the planetary core. Therefore, most of the gold that is present today in the Earth's crust and mantle is thought to have been delivered to Earth later, by asteroid impacts during the Late Heavy Bombardment, about 4 billion years ago.

Gold is resistant to most acids, though it does dissolve in aqua regia, a mixture of nitric acid and hydrochloric acid, which forms a soluble tetrachloroaurate anion. Gold is insoluble in nitric acid, which dissolves silver and base metals, a property that has long been used to refine gold and to confirm the presence of gold in metallic objects, giving rise to the term acid test. Gold also dissolves in alkaline solutions of cyanide, which are used in mining and electroplating. Gold dissolves in mercury, forming amalgam alloys, but this is not a chemical reaction.

Beautiful Gold Wallpapers is 100% free application that help you save or download Beautiful Gold Wallpapers to your mobile. This application is a amazing collection of photos in HD quality about Gold Wallpapers backgrounds. Personalize your home screen with the scenery pictures and make your Android device more interesting. Every photo is perfect and awesome. We are looking at the wallpapers and background which are in our Pictures folder and remember to share them with you. since it contains some of the most beautiful wallpapers and images of the year.

Nice features "Gold Wallpapers" Application :
✠ Free application that you can download is free
✠ Full support for landscape mode.
✠ Optimized battery usage and Fully supports horizontal orientation
✠ Speed ​​has been optimized for maximum application all go smoothly.
✠ This application of Excellent and Gold Wallpapers in HD Quality
✠ Quick Navigation Everything is intuitively placed so you can customize the
application as more you want.
✠ Fully supports horizontal orientation, Optimized battery usage
✠ Use You can set any wallpaper, you just have to press the button up to the right.
✠ Compatible with 99% of mobile phones and devices.
✠ Intuitive order to change to go from one image to another is only necessary to slide a finger and you can access all of
✠ Share Gold Wallpapers your on Gmail, Whatsapp, Instagram, Facebook, Twitter, Flickr, Email, Picasa, Google+, Email, SMS, Pinterest, Stumble, tumblr, Zalo and other social networks.