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It is an atom. The only atom with 81 protons, i.e. atomic number 81, is Thallium, Tl. If it has 3 less electrons it has 3+ positive charge. So it is the Tl3+ ion. Note you usually encounter Thallium as Tl+ . In thsi respect it is different from the other members of Group 13.
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How many cubic feet is 6 feet x 2 feet x6 inches?
(6 feet) x (2 feet) x (6 inches) =6 cubic feet
What is 81 grams in pounds?
81 grams converts to 0.178574 pounds.
How many pounds are in 81 kilos?
81 kilograms = 178.57 pounds.
What is the conversion of 81 degrees Fahrenheit to Celsius?
27.22 C It is: 5/9 times (81-32) = 27.22 degrees Celsius
What is 81 degree celsius to Fahrenheit?
81C is 177.8F
How many protons electrons and neutrons in lanthanum-138?
Lanthanum has 57 protons and 81-82 neutrons.
What is the mass of a neutral atom with 31 electrons and 38 neutrons?
81. Simply add them together. 43 + 38 = 81.
How many protons neutrons and electrons in thallium?
ThalliumSymbol: TlAtomic Number: 81Atomic Mass: 204.3833 amuNumber of Protons & Electrons: 81Number of Neutrons: 123
If bismuth-213 emits an alpha particle what is it?
bismuth will contain 81 protons turning into Thallium with an atomic number of 81. If it emits a beta particle it doesn't change its still bismuth, only it become more energetic.
What is 81 minus 78?
81 - 78 = 3
What can 81 and 78 go into?
81 and 78 go into 2106.
What is the percent 78 of 81?
78/81 = 0.963 = 96.3%
Why is 81 the answer to how many protons and neutrons in a thallium atom?
Thallium has 81 protons. Look on the periodic table. Thallium is number 81. That means it has 81 protons.
How many atoms are in barium?
Barium, or Ba, has an atomic number of 56, which means it has 56 protons and 56 electrons (if it is neutral). Its atomic weight is 137.33, which means it has a total of 137.33 neutrons AND protons put together. It has 81 neutrons (137 minus 56).
How many protons in thalium?
81 protons, as the atomic number of thallium is 81
How many electrons and protons does Br have?
Br has an atomic number of 35 giving it 35 protons. Since it has a charge of 1- it will have 36 electrons to form a octet.Br- will have 35 protons and 36 electrons. The negative charge indicates it gained an electron.
What is Br number of protons?
Br-80 has 35 protons.
