22georgej
22georgej 22georgej
  • 16-09-2018
  • Physics
contestada

an atom has 14 protons and 15 neutrons, what is its mass number?

I'm desperate 20 pts.

Respuesta :

dreyes24
dreyes24 dreyes24
  • 16-09-2018
The amount of protons is the same as the atomic number. You look for 14, silicon, and look at the mass, 28.086
Answer Link
michellebweston
michellebweston michellebweston
  • 16-09-2018
Mass number = protons + neutrons

14+15 = 29
Answer Link

Otras preguntas

please answer as many as you can! will give brainlist!
How do bacteria help our water?
Like a boil that can never be cured as long as it is covered up but must be opened with all its pus-flowing ugliness to the natural medicines of air and light,
Which parts of an essay are also in a speech?
in " an episode of war " by atephen crane, what event triggers the essential conflict of the story
According to Julio, Dr Gibson asked the two best students Paula and _____, to consider becoming tutors A. Himself B. HISSELF C.HE D. HIM
The function describing this graph is a transformation of the parent sine function, y = sin x. Which value best describes the maximum of the transformed functi
What is the value of P for the following triangular prism? 36 cm 36 mm 10.8 cm 14.55 cm
Write a function for the table.
Explain how the industrialization of the U.S. selected sectional tensions with factory systems
ACCESS MORE