20 Devices to show how the Internet of Things will be. Within eight years, it is expected that various organizations ranging from government to business will create a market of almost $9 trillion which will be constituted from 212 billion âthingsâ making up the global Internet of Things in 2020.
1 Allotropes are forms of the same element which exhibit different physical properties. 2  Elements such as carbon, oxygen, phosphorus, tin and sulfur, display allotropy.llotropes of Carbon. Both graphite and diamond are made up of carbon atoms, but the arrangement of atoms is different in each allotrope which results in different physical properties.
Arsenic appears in three allotropic forms: yellow, black and grey; the stable form is a silver-gray, brittle crystalline solid. It tarnishes rapidly in air, and at high temperatures burns forming a white cloud of arsenic trioxide.rsenic is a member of group Va of the periodic table, which combines readily with many elements. The metallic form is brittle, tharnishes and when heated it rapidly oxidizes to arsenic trioxide, which has a garlic odor.