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KNOWLEDGE BANK

Countries of the world and their capital cities

Source: Wikipedia

Creator: Festus

Abidjan Côte d'Ivoire (administrative)  
Abu Dhabi United Arab Emirates  
Abuja Nigeria  
Accra Ghana  
Adamstown Pitcairn Islands  
Addis Ababa Ethiopia  
Algiers Algeria  
Alofi Niue  
Amman Jordan  
Amsterdam Netherlands (official)  
Andorra la Vella Andorra  
Ankara Turkey  
Antananarivo Madagascar  
Apia Samoa  
Ashgabat Turkmenistan  
Asmara Eritrea  
Astana Kazakhstan  
Asunción Paraguay  
Athens Greece  
Avarua Cook Islands  
Baghdad Iraq  
Baku Azerbaijan  
Bamako Mali  
Bandar Seri Begawan Brunei Darussalam  
Bangkok Thailand  
Bangui Central African Republic  
Banjul The Gambia  
Basse-Terre Guadeloupe  
Basseterre Saint Kitts and Nevis  
Beijing People's Republic of China  
Beirut Lebanon  
Belfast Northern Ireland  
Belgrade Serbia and Montenegro  
Belmopan Belize  
Berlin Germany  
Bern Switzerland  
Bishkek Kyrgyzstan  
Bissau Guinea-Bissau  
Bloemfontein South Africa (judicial)  
Bogotá Colombia  
Brasília Brazil  
Bratislava Slovakia  
Brazzaville Republic of the Congo  
Bridgetown Barbados  
Brussels Belgium  
Bucharest Romania  
Budapest Hungary  
Buenos Aires Argentina  
Bujumbura Burundi  
Cairo Egypt  
Canberra Australia  
Cape Town South Africa (legislative)  
Caracas Venezuela  
Cardiff Wales  
Castries Saint Lucia  
Cayenne French Guiana  
Charlotte Amalie United States Virgin Islands  
Chisinau Moldova  
Cockburn Town Turks and Caicos Islands  
Colombo Sri Lanka (official)  
Conakry Guinea  
Copenhagen Denmark  
Cotonou Benin (de facto)  
Dakar Senegal  
Damascus Syria  
Dar es Salaam Tanzania (administrative)  
Dhaka Bangladesh  
Dili East Timor  
Djibouti Djibouti  
Dodoma Tanzania (official)  
Doha Qatar  
Dublin Ireland  
Dushanbe Tajikistan  
Fagatogo American Samoa  
Fongafale Tuvalu  
Freetown Sierra Leone  
Gaborone Botswana  
George Town Cayman Islands  
Georgetown Guyana  
Gibraltar Gibraltar  
Grytviken South Georgia and the South Sandwich Islands  
Guatemala City Guatemala  
Hagåtña Guam  
The Hague Netherlands (administrative)  
Hamilton Bermuda  
Hanoi Vietnam  
Harare Zimbabwe  
Havana Cuba  
Helsinki Finland  
Honiara Solomon Islands  
Islamabad Pakistan  
Jakarta Indonesia  
Jamestown Saint Helena  
Jerusalem Israel (unrecognized by the U.N.)  
Kabul Afghanistan  
Kampala Uganda  
Kathmandu Nepal  
Khartoum Sudan  
Kigali Rwanda  
Kingston Jamaica  
Kingstown Saint Vincent and the Grenadines  
Kinshasa Democratic Republic of the Congo  
Koror Palau  
Kuala Lumpur Malaysia  
Kuwait City Kuwait  
Kiev (Kyiv) Ukraine  
La Paz Bolivia (administrative)  
Laâyoune (El Aaiún) Western Sahara  
Libreville Gabon  
Lilongwe Malawi  
Lima Peru  
Lisbon Portugal  
Ljubljana Slovenia  
Lomé Togo  
London United Kingdom  
Luanda Angola  
Lusaka Zambia  
Luxembourg Luxembourg  
Madrid Spain  
Majuro Marshall Islands  
Malabo Equatorial Guinea  
Malé Maldives  
Managua Nicaragua  
Manama Bahrain  
Manila Philippines  
Maputo Mozambique  
Mariehamn Åland Islands  
Maseru Lesotho  
Mata-Utu Wallis and Futuna  
Mbabane Swaziland  
Mexico City Mexico  
Minsk Belarus  
Mogadishu Somalia  
Monaco-Ville Monaco  
Monrovia Liberia  
Montevideo Uruguay  
Moroni Comoros  
Moscow Russia  
Nouméa New Caledonia  
Muscat Oman  
Nairobi Kenya  
Nassau Bahamas  
N'Djamena Chad  
New Delhi India  
Niamey Niger  
Nicosia Cyprus  
Nouakchott Mauritania  
Nuku'alofa Tonga  
Nuuk Greenland  
Oranjestad Aruba  
Oslo Norway  
Ottawa Canada  
Ouagadougou Burkina Faso  
Palikir Micronesia  
Panama City Panama  
Papeete French Polynesia  
Paramaribo Suriname  
Paris France  
Phnom Penh Cambodia  
Port Louis Mauritius  
Port Moresby Papua New Guinea  
Port Vila Vanuatu  
Port-au-Prince Haiti  
Port of Spain Trinidad and Tobago  
Porto-Novo Benin (official)  
Prague Czech Republic  
Praia Cape Verde  
Pretoria South Africa (official)  
Putrajaya Malaysia (administrative)  
Pyinmana Myanmar (Burma)  
P'yŏngyang North Korea  
Quito Ecuador  
Rabat Morocco  
Reykjavík Iceland  
Riga Latvia  
Riyadh Saudi Arabia  
Road Town British Virgin Islands  
Rome Italy  
Roseau Dominica  
Saipan Northern Mariana Islands  
San José Costa Rica  
San Marino San Marino  
San Salvador El Salvador  
Sanaá Yemen  
Santiago Chile  
Santo Domingo Dominican Republic  
São Tomé São Tomé and Príncipe  
Sarajevo Bosnia and Herzegovina  
Seoul South Korea  
Singapore Singapore  
Skopje Republic of Macedonia  
Sofia Bulgaria  
South Tarawa Kiribati  
Sri Jayawardenepura (Kotte) Sri Lanka (legislative and judicial)  
St. George's Grenada  
St. John's Antigua and Barbuda  
Stanley Falkland Islands  
Stockholm Sweden  
Sucre Bolivia (official)  
Suva Fiji  
Taipei Republic of China (a.k.a. Taiwan)  
Tallinn Estonia  
Tashkent Uzbekistan  
Tbilisi Georgia  
Tegucigalpa Honduras  
Tehran Iran  
Thimphu Bhutan  
Tirana Albania  
Tokyo Japan  
Tórshavn Faroe Islands  
Tripoli Libya  
Tunis Tunisia  
Ulaanbaatar Mongolia  
Vaduz Liechtenstein  
Valletta Malta  
The Valley Anguilla  
Valparaíso Chile (legislative)  
Vatican City Vatican City (Holy See)  
Victoria Seychelles  
Vienna Austria  
Vientiane Laos  
Vilnius Lithuania  
Warsaw Poland  
Washington, DC United States of America  
Wellington New Zealand  
West Island Cocos (Keeling) Islands  
Willemstad Netherlands Antilles  
Windhoek Namibia  
Yamoussoukro Côte d'Ivoire (official)  
Yaoundé Cameroon  
Yerevan Armenia  
Zagreb Croatia

Chemical elements and their symbols

Source: Wikipedia

Creator: jtauber

Ac Actinium  
Ag Silver  
Al Aluminium  
Am Americium  
Ar Argon  
As Arsenic  
At Astatine  
Au Gold  
B Boron  
Ba Barium  
Be Beryllium  
Bh Bohrium  
Bi Bismuth  
Bk Berkelium  
Br Bromine  
C Carbon  
Ca Calcium  
Cd Cadmium  
Ce Cerium  
Cf Californium  
Cl Chlorine  
Cm Curium  
Co Cobalt  
Cr Chromium  
Cs Caesium  
Cu Copper  
Db Dubnium  
Ds Darmstadtium  
Dy Dysprosium  
Er Erbium  
Es Einsteinium  
Eu Europium  
F Fluorine  
Fe Iron  
Fm Fermium  
Fr Francium  
Ga Gallium  
Gd Gadolinium  
Ge Germanium  
H Hydrogen  
He Helium  
Hf Hafnium  
Hg Mercury  
Ho Holmium  
Hs Hassium  
I Iodine  
In Indium  
Ir Iridium  
K Potassium  
Kr Krypton  
La Lanthanum  
Li Lithium  
Lr Lawrencium  
Lu Lutetium  
Md Mendelevium  
Mg Magnesium  
Mn Manganese  
Mo Molybdenum  
Mt Meitnerium  
N Nitrogen  
Na Sodium  
Nb Niobium  
Nd Neodymium  
Ne Neon  
Ni Nickel  
No Nobelium  
Np Neptunium  
O Oxygen  
Os Osmium  
P Phosphorus  
Pa Protactinium  
Pb Lead  
Pd Palladium  
Pm Promethium  
Po Polonium  
Pr Praseodymium  
Pt Platinum  
Pu Plutonium  
Ra Radium  
Rb Rubidium  
Re Rhenium  
Rf Rutherfordium  
Rg Roentgenium  
Rh Rhodium  
Rn Radon  
Ru Ruthenium  
S Sulfur  
Sb Antimony  
Sc Scandium  
Se Selenium  
Sg Seaborgium  
Si Silicon  
Sm Samarium  
Sn Tin  
Sr Strontium  
Ta Tantalum  
Tb Terbium  
Tc Technetium  
Te Tellurium  
Th Thorium  
Ti Titanium  
Tl Thallium  
Tm Thulium  
U Uranium  
Uub Ununbium  
Uuh Ununhexium  
Uup Ununpentium  
Uuq Ununquadium  
Uut Ununtrium  
V Vanadium  
W Tungsten  
Xe Xenon  
Y Yttrium  
Yb Ytterbium  
Zn Zinc  
Zr Zirconium