elizabethallona elizabethallona

02-01-2019
Chemistry

contestada

How many neutrons does an element have if its atomic number is 55 and its mass number is 150?

Respuesta :

02-01-2019

With an atomic number of 55, that means there are 55 protons. Because electrons do not count towards atomic weight, the element would have 150-55 neutrons. So, 95 neutrons.

Answer Link

02-01-2019

95 neutrons hope this helps

Answer Link

Otras preguntas

Please answer this question on the picture

PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSs

Which event might disrupt a stable ecosystem? A. Green plants use chlorophyll to produce food. B. An invasive species enters the environment. C. Consumers eat p

Que tiempo verbal es saludaste

The resulting matrix is a: 1 by 2 3by 1 2 by 1

Decide if you would use a conjugation of ser or estar for the underlined word. The desk (is) made out of wood. *IS is underlined* O Ser O Estar Decide if you w

Help me please ! hellppppp

Read the excerpt by former enslaved person Olaudah Equiano. The closeness of the place, and the heat of the climate, added to the number in the ship, which was

Question 14 (1 point) To His Excellency William McKinley, President and the Senate of the United States of America. We the undersigned, notive Hawaiian citizens

which graph is correct