"The distinctive symbol used to identify radioactive materials is the
name and give the symbol of 2 radio active elements
Cl is Chlorine.
The element with the symbol At is Astatine. Astatine is a Group 17(7) Halogen and is radioactive. It has 85 electrons in 6 shells, with 7 electrons in the outer shell.
It's usually posted as 14C and indicates the isotope asked about.
The symbol was the dancing bear missunderstood and abused by the vilonest the bear was like like dietor and the vilonest was like Mrs.Hax
Tri Blade
The SI unit for quantity of radioactive materials is Becquerel.The becquerel (symbol Bq) is the SI-derived unit of radioactivity.One Bq is defined as the activity of a quantity of radioactive material in which one nucleus decays per second.
Yellow Suit
The "radioactive" safety symbol warns you that radioactive material or a radiation producing machine is near the symbol and you should take precautions to ensure that you are not unnecessarily exposed to ionizing radiation.
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in certain types of radioactive decay processes. it is not electromagnetic radiation.
Ra is the chemical symbol for Radium - a highly-radioactive element.
Fr is the symbol for the radioactive element francium.
It doesn't "mean" anything, it's just a symbol chosen to be visually distinctive.
Actinium is a radioactive element with symbol Ac.
The symbol for Continental Materials Corporation in the AMEX is: CUO.
The symbol for Dynamic Materials Corporation in NASDAQ is: BOOM.