RyAr

=1.t he substance or substances of which any physical object consists or is composed.= =2."property" or "properties" are the things that distinguish the difference between matters.= =3.a substance made of more than 1 subsatnce mixed together.= =4. composed of different substances or the same substance in different phases, as solid ice and liquid water. = = 5. Of the same or similar nature or kind.= =6.Density : 19,300 kg per cubic metre. Melting point : 1337.33 K (1064.18 °C). Boiling point : 3129 K (2856 °C).= =7.electrical conductivity: highest known, thermal conductivity: highest known, melting point: 961.93ºC= =8. green, jiggly, translusent.= =9.**Electron Configuration:** 1s22s22p4, **Atomic Radius:** 74 pm, **Ionic Radius:** 140(O2-).=