Questions about the element "Silver".?

Question

hey guys, I have a hard question for you but if you help me ill give you best answer, i have a few questions about the element silver:

What was the year that the element "silver" was discovered, and who discovered it?

what was the reason they called it silver?

what do they use it for in both early and recent times

the cost of mining/obtaining the element

its atomic number and characteristics

its properties.

please help me, I dont expect you to try answer them all, but please give me a hand on answering it out.

Thanks Sam

Answer 1

You can look it up on line, you know.  See attached.

Answer 2

Peek here

http://en.wikipedia.org/wiki/Silver

Answer 3

here's the answers

(1.)  silver has not been invented by any certain person. Silver has been known since ancient times and has long been valued as a precious metal, used to make ornaments, jewellery, high-value tableware and utensils (hence the term "silverware") and currency coins

(2.)   (i have just mentioned the source) The word "silver" appears in Anglo-Saxon in various spellings such as seolfor and siolfor. A similar form is seen throughout the Teutonic languages (compare Old High German silabar and silbir). The symbol "Ag" is from the Latin for "silver", argentum (compare Greek αργυρος [argyros]), from the Indo-European root arg- meaning "white" or "shining".

(3.)  earlier siler was just used for making stable tools and as coins

at present A major use of silver is as a 1. precious metal,  

  2 In dentistry                        

  

.3 In photography and electronics

                                                          

.4 In solder and brazing

.5 In mirrors and optics

.6 In nuclear reactors

.7 As a catalyst

.8 As money

.9 In medicine

.9.1 As a medication

.10 In food

.11 In clothing

.12 Silversmithery

(4) atomic number 47 heres the properties:

                Physical properties

Color silver

Phase solid

Density (near r.t.) 10.49  g·cm−3

Liquid density at m.p. 9.320  g·cm−3

Melting point 1234.93 K

(961.78 °C, 1763.2 °F)

Boiling point 2435 K

(2162 °C, 3924 °F)

Heat of fusion 11.28  kJ·mol−1

Heat of vaporization 250.58  kJ·mol−1

Specific heat capacity( 25°C) 25.350  J·mol−1·K−1

                            

Atomic properties :

Crystal structure face-centered cubic

Oxidation states 1, 2, 3

(amphoteric oxide)

Electronegativity 1.93 (Pauling scale)

Ionization energies 1st: 731.0 kJ/mol

2nd: 2070 kJ/mol

3rd: 3361 kJ/mol

Atomic radius 160  pm

Atomic radius (calc.) 165  pm

Covalent radius 153  pm

Van der Waals radius 172 pm