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  2. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    List of chemical elements. 118 chemical elements have been identified and named officially by IUPAC. A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z ). [1]

  3. Academic grading in the United States - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_the...

    Papua New Guinea. v. t. e. In the United States, academic grading commonly takes on the form of five, six or seven letter grades. Traditionally, the grades are A+, A, A−, B+, B, B−, C+, C, C−, D+, D, D− and F, with A+ being the highest and F being lowest. In some cases, grades can also be numerical. Numeric-to-letter-grade conversions ...

  4. Juneteenth - Wikipedia

    en.wikipedia.org/wiki/Juneteenth

    Juneteenth is a federal holiday in the United States. For decades, activists and congress members (led by many African Americans) proposed legislation, advocated for, and built support for state and national observances. During his campaign for president in June 2020, Joe Biden publicly celebrated the holiday. [123]

  5. 2020 United States presidential election - Wikipedia

    en.wikipedia.org/wiki/2020_United_States...

    The 2020 United States presidential election was the 59th quadrennial presidential election, held on Tuesday, November 3, 2020. [a] The Democratic ticket of former vice president Joe Biden and the junior U.S. senator from California Kamala Harris defeated the incumbent Republican president , Donald Trump , and vice president , Mike Pence . [9]

  6. Tadalafil Oral: Uses, Side Effects, Interactions, Pictures ...

    www.webmd.com/drugs/2/drug-77875/tadalafil-

    Side Effects. Headache, stomach upset, back pain, muscle pain, stuffy nose, flushing, or dizziness may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. To ...

  7. German submarine U-17 (1935) - Wikipedia

    en.wikipedia.org/wiki/German_submarine_U-17_(1935)

    c. 5 – 6 April 1940. 4th patrol: 13 April – 2 May 1940. Victories: 3 merchant ships sunk. (1,825 GRT) German submarine U-17 was a Type IIB U-boat of Nazi Germany 's Kriegsmarine. It was built in Germaniawerft, Kiel, where it was laid down on 1 July 1935 and commissioned on 3 December 1935, under the command of Werner Fresdorf .

  8. General Schedule (US civil service pay scale) - Wikipedia

    en.wikipedia.org/wiki/General_Schedule_(US_civil...

    The General Schedule ( GS) is the predominant pay scale within the United States civil service. The GS includes the majority of white collar personnel (professional, technical, administrative, and clerical) positions. As of September 2004, 71 percent of federal civilian employees were paid under the GS.

  9. .com - Wikipedia

    en.wikipedia.org/wiki/.com

    Verisign.com Registry. The domain com is a top-level domain (TLD) in the Domain Name System (DNS) of the Internet. Created in the first group of Internet domains at the beginning of 1985, its name is derived from the word commercial, [1] indicating its original intended purpose for subdomains registered by commercial organizations.