Web Results

www.reference.com/article/identify-gold-1931c951cef3d020

Simple tests that can be performed at home to identify real gold include checking for markings and magnetic attraction, testing for heaviness and observing nitric acid reactions. Additionally, scratching gold against pottery and examining for signs of gold plating is an...

www.reference.com/article/different-types-gold-chains-7632ab0375bb78b9

The different types of gold chains are called Byzantine, box cable, Figaro, panther, popcorn, rolo, rope, snake, Venetian link, wheat, anchor and lastly, the bead chain. Each chain has a different physical makeup and style. Some are meant for pendants or charms, while o...

www.reference.com/article/375-gold-chain-mean-ae2d69bbc9904e93

A "375" stamp on a piece of gold jewelry indicates that the metal is 37.5 percent gold. This is equivalent to 9 karats in the traditional method of marking gold purity.

www.reference.com/article/gold-made-d41121adb44fde73

All of the atoms of gold in the universe were forged in the collapse of dying stars in a process called nucleosynthesis. For heavy elements, such as gold, this process occurs mainly during the last stages of the star's life as it undergoes final collapse and supernova.

www.reference.com/article/supply-chain-a5e25aa5f6d95cee

A supply chain is the complete sequence of processes and events that a manufacturer relies upon to obtain raw materials from suppliers and ultimately deliver a finished good to the final purchaser. A variety of organizations, individuals, resources, distributors and log...

www.reference.com/article/gold-created-9827c12ae3597a19

As of 2014, research suggests that colliding neutron stars created gold by fusing various elements during massive explosions. Neutron stars are the extremely dense cores of dead stars that are left after the stars explode as supernovae.

www.reference.com/article/food-chain-producer-fe84f1e6e8a93865

The food chain of a producer is the sun, the primary consumer, the secondary consumer and the decomposer. The producer uses the sun and nutrients in the soil to make food, and animals that consume it eventually die and fertilize the soil.