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David Baszucki ( / bəˈzuːki /; born January 20, 1963), also known by his Roblox username david.baszucki, formerly builderman, is a Canadian-born American entrepreneur, engineer, and software developer. He is best known as the co-founder and CEO of Roblox Corporation. He previously co-founded and served as the CEO of Knowledge Revolution ...
This list of countries by life expectancy provides a comprehensive list of countries alongside their respective life expectancy figures. The data is differentiated by sex, presenting life expectancies for males, females, and a combined average. In addition to sovereign nations, the list encompasses several non-sovereign entities and territories.
Of the 94 natural elements, eighty have a stable isotope and one more has an almost-stable isotope (with a half-life of 2.01×10 19 years, over a billion times the age of the universe). [32] [c] Two more, thorium and uranium , have isotopes undergoing radioactive decay with a half-life comparable to the age of the Earth .
Tower of Hell. Tower of Hell is a multiplayer platform game where the player must get past a variety of obstacles to get to the top of the tower. [115] Unlike traditional Roblox obstacle courses, there are no checkpoints. [116] Tower of Hell has been played around 19.2 billion times as of October 2022.
Chromium, 24Cr. body-centered cubic (bcc) ( cI2) Chromium is a chemical element; it has symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard, and brittle transition metal. [7] Chromium metal is valued for its high corrosion resistance and hardness.
Roblox occasionally hosts real-life and virtual events. They have in the past hosted events such as BloxCon, which was a convention for ordinary players on the platform. Roblox operates annual Easter egg hunts and also hosts an annual event called the "Bloxy Awards", an awards ceremony that also functions as a fundraiser. The 2020 edition of ...
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]
See also. Template:Periodic table (transuranium element) Periodic table with elements colored according to the half-life of their most stable isotope. Elements which contain at least one stable isotope. Slightly radioactive elements: the most stable isotope is very long-lived, with a half-life of over two million years.