- Hong Kong (US: /ˈhɒŋkɒŋ/ or UK: /hɒŋˈkɒŋ/; Chinese: 香港, Cantonese: [hœ́ːŋ.kɔ̌ːŋ]), officially the Hong Kong Special Administrative Region of the People’s Republic of China (abbr. Hong Kong SAR or HKSAR), is a city and a special administrative region in China. With 7.4 million residents of various nationalities in a 1,104-square-kilometre (426 sq mi) territory, Hong Kong is one of the most densely populated territories in the world.
- Arsenic (Wikipedia)
Arsenic is a chemical element with the symbol As and atomic number 33. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Arsenic is a metalloid. It has various allotropes, but only the grey form, which has a metallic appearance, is important to industry.
