davidcanencio6468 davidcanencio6468

26-05-2017
Chemistry

contestada

An isotope of mercury has 80 protons and 120 neutrons. What is the mass number of this isotope?

40

80

120

200

Respuesta :

sacwind2 sacwind2

26-05-2017

the correct answer is two hundred for its mass number as eighty plus hundred and twenty is two hundred hence the answer is the last option

Answer Link

Otras preguntas

Which of the following statements best describes a map? A map provides a three-dimensional representation of the entire planet. A map is not easily portable. A

PLSSS HELP Which of the following terms correctly describe the object below? Check all that apply. A. Triangle B. Pyramid C. Square D. Polygon

What quadrant is 300π/276 in? Can u solve these too plz

how can reading a poem more than once help you understand its meaning ? pls help

HELPSDBNENANSSnshejs

Help!! Does anyone know how to do this and can explain to me please!

Series problem What type of circuit is this? What does the circle and the v represent?

Evaluate the expression for u = –8 and v = 2. uv − u

Do Phillip's mother and father say how important it is to stick together on the island? book: The Cay

Talitha loves Kpop. She has a total of 32 BTS and BLACKPINK shirts. The amount of BTS shirts she owns is 7 times the amount of BLACKPINK shirts. How many BTS sh