D is deuterium, or 2H. An isotope of hydrogen with a neutron in addition to the proton.
The symbol Po-210 represents the isotope of Polonium with a mass number of 210.
Doofus. Atomic # - 128 Atomic mass - 320.04 amu
An atomic symbol represents a specific isotope of an element, including both the element symbol and the atomic mass number. A chemical symbol, on the other hand, is just the unique abbreviation for an element on the periodic table.
The correct nuclear symbol for an isotope with 80 protons and 124 neutrons is Xe-204, where Xe represents the element xenon.
(d) is not a symbol used in chemical equations. The symbols (s) represents a solid, (g) represents a gas, and (aq) represents an aqueous solution.
The isotope symbol for Barium-137 is Ba-137.
The symbol Po-210 represents the radioactive isotope of polonium with an atomic number of 84 and a mass number of 210. Polonium-210 is a highly toxic substance that emits alpha particles during radioactive decay.
The symbol for the radioactive isotope Carbon-14 is ^14C. The superscript 14 indicates the mass number of the isotope, which is the sum of protons and neutrons in the nucleus. The letter C represents the chemical element carbon.
The chemical symbol of actinium is Ac.The symbol of an isotope:- as superscript to the left of Ac is the atomic mass of the isotope- as subscript to the left of Ac is the atomic number 89
Ca represents calcium. Calcium-40 represents the isotope of calcium that has a mass number of 40.
Triangle
The chemical symbol for fluorine isotope with 9 neutrons is 18F (18 is a superscript).