alishasanders5289 alishasanders5289

03-07-2017
Chemistry

contestada

The atomic number of gold (au) is 79, and the atom has a mass number of 197. how many neutrons are present in the atom of gold?

Respuesta :

amberoconnell35O amberoconnell35O

05-07-2017

An atom of gold has 118 neutrons

Answer Link

mathwhiz109 mathwhiz109

09-10-2018

118 neutrons. You subtract the 79 protons from the atomic number of 197. This is because the number of neutrons + the number of protons equals the atomic number.

Answer Link

Otras preguntas

A Chinese farmer living during the early tang dynasty can expect to experience which of the following changes

At 273 k and 1.00 x 10^-2 atm, the density of a gas is 1.24 x 10^-5 g/cm3. a.find vrms for the gas molecules. b.find the molar mass of the gas and c.identify th

Which outdated atomic model could be linked to chocolate chip cookie dough?

Which point has coordinates (3,4)

Terry is interested in slowing the cognitive decline that comes with aging. according to current research, what is the most beneficial change he can make?

Tell me about the biggest risk you have taken in your life.

subtract the product of 5 and 8 from 50 written as a numerical expression

What is 18.187 rounded to the nearest hundredth

Lainey bought a set of 20 markers for $6. What is the cost for 1 marker ?

What happens to enzymes after they catalyze a reaction?