manaralmansoob manaralmansoob

02-01-2020
Chemistry

contestada

Determine the mass number of an element that contains 26 protons, 22 electrons, and 30 neurons

Respuesta :

sarah2071 sarah2071

02-01-2020

Answer:

56 is the mass

Explanation:

You would add 26 and 30(the protons and neutrons). I didn't add the electrons because they are so small their mass is negligible in this situation.

Answer Link

cassie23558 cassie23558

02-01-2020

Answer:

Mass = 56

Explanation:

Answer Link

Otras preguntas

Can you write me a summary for the last book in the universe

How could you make your own smog as an experiment in the classroom? (Classroom project help please!!)

What were the three major religions of the early Tang Dynasty? For what important historical event was one of these sects expelled?

Solve. A man bought an item for 5000 and sold it at a loss of 25%. How much did he sell it?

i need help with this i’m really struggling i just don’t get it

a disease is one that is communicable or contagious a. percutaneous b.permucosal c.infectious d. dermatitis

equations that have mixed numbers with the product of 54

Interest and Annuity 7. A sum of money doubles itself in 6 years at certain rate of interest. In how many years would it triple if the rate of interest is incre

what thomas jefferson do

1. The Snyder’s spent $31 on movie tickets for 2 adults and 3 students. The Ramos family spent $26 on tickets for 2 adults and 2 students. What are the prices