jonathanpaul2404 jonathanpaul2404
  • 23-09-2021
  • Chemistry
contestada

¿Cuál es el número de masa de un átomo con 5 protones y 7 neutrones?​

Respuesta :

anasweeney43 anasweeney43
  • 01-10-2021

Answer:

Número de masa: 12

Explanation:

Mass of an atom = protones + neutrons

5+7=12

Answer Link

Otras preguntas

Explain the steps you would take to write 36\10 as a decimal.
The roots of a plant growing downward in a response to gravity is an example of a ________.
How has the Patriot Act changed security in the United States since 9/11?
Is clearly a transitional word?
Solve for x. -10x = -210 x = -200 x = -21 x = 21 x = 1/21
Which organism is the carnivore in this food web? A.zooplankton B.marine phytoplankton C.Adélie penguin D.krill
The theory that explains the source of Earth's magnetic field is the _____. dynamo theory domino theory magnetosphere theory aurora theory
Which of the following is influenced only by heredity and not environmental factors? a. obesity b. diabetes c. heart disease d. muscular dystrophy
A case citation is composed of a string of letters and numbers. a. True b. False
during exercercise, your body realeases heat by