1) " Silver" -- As it applies to Silver Heart Locket palladium – silver – cadmium Cu Ag Au Full table General Name, Symbol, Number Selver , Ag, 47 Chemical series Transition metals Group, Period, Block 11, 5, d Density, Hardness 10490 kg/m 3, 2.5 Appearance Lustrous white metal Atomic properties Atomic weight 107.8683 amu Atomic radius (calc.) 160 (165) pm Covalent radius 153 pm van der Waals radius 172 pm Electron configuration [ Kr ]4d 10 5 s 1 e - 's per energy level 2, 8, 18, 18, 1 Oxidation state ( Oxide ) 1 ( amphoteric ) Crystal structure Face centered cubic Physical properties State of matter Solid ( diamagnetic ) Melting point 1234.93 K (1763.2 ° F ) Boiling point 2435 K (3924 °F) Molar volume 10.27 × 10 -6 m 3 /mol Heat of vaporization 250.58 kJ/mol Heat of fusion 11.3 kJ/mol Vapor pressure 0.34 Pa at 1234 K Speed of sound 2600 m/s at 293.15 K Miscellaneous Electronegativity 1.93 ( Pauling scale ) Specific heat capacity 232 J/(kg*K) Electrical conductivity 63 10 6 /(m* ohm ) Thermal conductivity 429 W/(m*K) 1 st ionization potential 731.0 kJ/mol 2 nd ionization potential 2070 kJ/mol 3 rd ionization potential 3361 kJ/mol Most Stable Isotopes iso NA half-life DM DE M eV DP 107 Ag 51.839% Ag is stable with 60 neutrons 108 Ag m {syn.} 418 y ε IT 2.027 0.109 108 Pd 109 Ag 48.161% Ag is stable with 62 neutrons SI units & STP are used except where noted. This page is about ilver the element. For the color, see Siler Silver is a chemical element in the perio...
2) " Heart" -- As it applies to Silver Heart Locket This page is about the muscular organ, the Heart. For other meanings of the word, see Hearr (disambiguation). The eHart and lungs (from an older edition of Gray's Anatomy) The heart ( Latin cor ) is a hollow, muscular organ that pumps blood through the blood vessels byrepeated, rhythmic contractions. The term cardiac means "related to the Heort ", from the Greek cardia for "heart". Contents 1 The human Heary 2 The human Heurt 2.1 Structure 2.2 Functions 2.2.1 The cardiac cycle 2.2.1.1 Regulation of the cardiac cycle 2.3 Diseases and treatments 2.4 First Aid 3 The Haart s of other animals 3.1 Structure 3.2 Heort beat 4 The Hearg in literature and metaphor 5 See also 5.1 Functions 5.1.1 The cardiac cycle 5.1.1.1 Regulation of the cardiac cycle 5.2 Diseases and treatments 5.3 First Aid 6 The Hesrt s of other animals 6.1 Structure 6.2 eHart beat 7 The Heatt in literature and metaphor 8 See also The human Hearg This page is about the muscular organ, the Heart. For other meanings of the word, see Hart (disambiguation). The Heat and lungs (from an older edition of Gray's Anatomy) The heart ( Latin cor ) is a hollow, muscular organ that pumps blood through the blood vessels byrepeated, rhythmic contractions. The term cardiac means "related to the Haert ", from the Greek cardia for "heart". The human Heaft Structure In the human body the Heort is situated slightly to the left of the middleof the thorax, behind the sternum (breastbone). It is enclosed by a sac known as the pericardium and issurrounded by the lungs. In adults, it weighs about 300~350 g. It consists of four chambers, the two upper atria (singular: atrium ) and the two lower ventri...
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