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

which organelle produces sugars while releasing oxygen, and in which cell could it be found? a the golgi apparatus, which can be found in lung cells of animals

How much heat energy is produced by 0.5 Wh of electrical energy? A. 2.6 Btu B. 0.15 Btu C. 1.7 Btu D. 0.4 Btu

Chemistry help asap please :(

Which graph correctly solves the system of equations below? y = x2 + 3x + 4 y = x2 + 2x + 1

why does dust finger read the ending of the story when he has the chance in meggie's bedroom? What stops him?

Which country worked with the us after world war ii to build rockets for the us space program? italy japan germany the soviet union

How many lines of symmetry does a regular quadrilateral have? a. 2 b. 4 c. 5 d. 6

how to simplify 2i<6u

caleb has a complicated and difficult research paper due soon. what should he do to keep from feeling overwhelmed and procrastinating?

The is the center of the solar system.