Question

what is the atomic symbol of another isotope of gold with 116 neutrons? express your answer as an isotope. a chemical reaction does not occur for this question. incorrect; try again; 3 attempts remaining part e what is the atomic symbol of an atom with atomic number of 80 and 120 neutrons? express your answer as an isotope. a chemical reaction does not occur for this question. incorrect; try again; 5 attempts remaining

Explanation:

Step1: Recall gold's atomic number

Gold (Au) has an atomic number of 79.

Step2: Calculate mass number of gold isotope

Mass number = number of protons+number of neutrons. For gold with 116 neutrons, mass number = 79 + 116=195. The atomic symbol of an isotope is written as $^{A}_{Z}X$, where A is mass - number, Z is atomic number and X is the element symbol. So the isotope of gold is $^{195}_{79}Au$.

Step3: Identify element for atomic number 80

The element with atomic number 80 is mercury (Hg).

Step4: Calculate mass number of mercury isotope

Mass number = number of protons+number of neutrons. For an atom with atomic number 80 and 120 neutrons, mass number = 80 + 120 = 200. The atomic symbol of the isotope is $^{200}_{80}Hg$.

Answer:

$^{195}_{79}Au$
$^{200}_{80}Hg$