studenttdixon20 studenttdixon20

03-11-2017
Mathematics

contestada

11 protons, 12 neutrons, and 11 electrons. What is the atomic mass of the atom? * 1 point

Respuesta :

wolf1728 wolf1728

03-11-2017

It would be 11 + 12 = 23 atomic mass units.
(electrons have about a mass of 5.489×10−4 atomic mass units, so their mass would be negligible in this calculation).

Answer Link

Otras preguntas

Solve the equation 8x-12=5+15

What causes some materials to have magnetic fields?

Need help! Which was a major accomplishment of the ancient people under the Shang Dynasty's rule?

Is it possible for a country with a high GDP to also have a high poverty rate? why or why not?

What change did the Aryans bring to India? a. they brought hinduism with them b. they replaced a peaceful culture with a warlike one c. they brought sanskrit wi

I need help with this one. How did Gilgamesh change during the story? A. he learned to love his enemies B. he gave up being king in order to save Enkidu C. he f

Find the slope of 3x-4y-7=0

Contains a main clause, a subject and an action or linking verb, and makes sense on its own. A. sentence B. dependent clause C. subordinating clause D. coordina

A scale on a map shows that 2 inches = 25 miles. Part A How many inches on the map represents 60 miles? Part B How many miles is represented by 1/4 inch on

A triangular sign has a base that is 44 cm and an altitude that is 40 cm. If one litre of paint covers 44000 cm squared, how many signs can be painted with one