Assuming there is a blank between "a" and "of," 178Au is an unstable isotope of gold. The 79 is its atomic number (number of protons), and 178 is the Atomic Mass (number of protons + numbers of neutrons).
Au is the atomic symbol for the element Gold. Au is technically 100% gold, because Au only stands for gold, and no other element.
The shorthand notation for gold is "Au," which is derived from the Latin word "aurum." In the periodic table, it has the atomic number 79. Gold is known for its distinctive yellow color and high malleability, making it a valuable metal in jewelry and electronics.
It is Au, for Aurum.
79 atomic number of gold
The Latin word for gold is aurum, the beginning of which is au, therefore the symbol from gold is au :) i actually had this question on a test today :P
It is a gold isotope.
isotope
The atomic symbol for gold is Au and its atomic number is 79.
_The 79th element on the periodic table is Gold, Au
AnswerGoldYou can find this on the periodic table of the elements. The element with atomic number 79 is gold, Au.
79 protons 118 neutrons 76 electrons
This element is gold (Au).Gold (Au) has the atomic number of 79 in the periodic table of elements.
Gold has 79 protons, and funnily enough, its second letter is 'o'.
#79 is Gold (Au).
Au or Gold
gold, Au
Au 79