All Acronyms. CTA - Control Terminal Agency [Internet]; April 13, 2017 [cited 2017 APR 13]. Available from: https://www.allacronyms.com/CTA/Control_Terminal_Agency.
Home Science Howmanyarethere 28 March 2011 4536 Views. There are 118 known chemical elements as of 2011.First element on the periodic table is Hydrogen the latest one is Ununoctium. The table contains 118 chemical elements whose discoveries have been confirmed. The first 94 are found naturally on Earth, and the rest are synthetic elements that have been produced artificially in particle accelerators.
How many protons electrons and neutrons does In have? Indium, (In) atom number 49, has: 49 protons (same as atom number) 49 electrons (same as protons in the UNcharged neutral atom) 113-49=64 neutrons in In-113 isotope or 11 â¦ 5-49=66 neutrons in In-115 isotope, both are natural occurring isotopes of In (5% and 95% respectively).