(mÃ»r'kyÉ-rÄ) Symbol Hg. A silvery-white, dense, poisonous metallic element that is a liquid at room temperature and is used in thermometers, barometers, batteries, and pesticides. Atomic number 80; atomic weight 200.59; melting point -38.87Â°C; boiling point 356.58Â°C; specific gravity 13.546 (at 20Â°C); valence 1, 2. See Periodic Table.
Types of vertebra? Vertebrae are divided into sections: the atlas and axis account for the first cervical vertebrae, of which there are 7 in total; there are 12 thoracic vertebrae, 7 lumbar vert â¦ ebrae, 1 sacrum (5 separate vertebrae in a baby), and 1 coccyx (4 separate vertebrae in a baby).here are Five different types of Vertebrae in the Vertabral collumn (spine). 1) Cervical Vertebrae (7) 2) Thoracic Vertebrae (12) 3) Lumbar Vertebrae (5) 4) Sacral Ve â¦ rtebrae (5) 5) Coccygeal Vertebrae (3). + 33 others found this useful. Yerroh Jalloh.
(Answer #1). heres the answer: hope it helps... The spinal cord consists of 5 divisions or regions of vertebrae, in the cervical region (the most superior segment) along the spinal cord, are the 'typical' and 'atypical' vertebrae.Altogether this region has 7 vertebrae, named from the most superior to inferior positioned (C1-C7) i.e. from top to bottom.The 'atypical' vertebrae are the two most superior positioned i.e. the top two (C1 & C2); C1 is also called the 'Atlas' and C2 the 'Axis'.The 'typical' vertebrae are the five most inferior positioned i.e. the bottom 5 (C3-C7).Answer #1). heres the answer: hope it helps... The spinal cord consists of 5 divisions or regions of vertebrae, in the cervical region (the most superior segment) along the spinal cord, are the 'typical' and 'atypical' vertebrae.