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

Find four consecutive even integers whose sum is 244.

701,245 in word form and 1

what was the basic message that jeses preached? how and why did that message spread

Troy bought a magazine for 4.99 Rico bought pocket diconary for 12.99 and Mario bought a package of notepads for 8.95 what is the average amount that each boy s

Please help Evaluate the expression. (7 – 4)[(5 + 3. + 2] a. 26 b. 30 c. 47 d. 48

What two numbers add to be 19 and multiplies to be 35

what is 720 is 1 tenth of what number??????????????

Circle the difference 9 - 4=5

Who was Britain's main rival for control of India before the 1800s? a. China b. Russia c. France d. Spain

3 2/5 times 1 2/3 is