bucketofwaterd bucketofwaterd
  • 01-10-2020
  • Chemistry
contestada

Identify the mass number of an ion with 20 protons, 22 neutrons, and 18 electrons.

Respuesta :

Nikeon202
Nikeon202 Nikeon202
  • 14-10-2020

Answer:

42

Explanation:

Relative mass = number of protons + number of neutrons

Relative mass = 20 + 22

Relative mass = 42

Answer Link

Otras preguntas

Katie completes 2/3 of a craft project in 3/4 of an hour. At this rate, what fraction of the craft project does Katie complete in one hour? Give your answer in
How do you do ordered pairs on cordinate plains
Genetically engineered human insulin is used to treat which disease
what was the significance of the greensboro sit-in to the civil rights movement
The Coates family expects their pet golden retriever to have puppies any day now. A newspaper ad is placed by Mr. Coates, in preparation to sell the puppies. Ca
48 grams 12cm^3, what would the density of the material be
Summarize mitotic cell division briefly describe the appearance and activities for prometaphase
In Southern Europe, most people live in coastal plains and river valleys. Please select the best answer from the choices provided T F
Janie worked in the student bookstore of a community college. the store was quite large and offered a variety of items besides books and school supplies. althou
What disease left FDR's legs paralyzed? A. malaria B. influenza C. diabetes D. polio