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

Relax

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

Koch brothers donations to romney campaign
In monopolistic competition firms gain some degree of market power
There are 5 flower gradens in front of where eddie works. Eddie has 40 red and 80 white flowering plants to put in the gardens. How many plants will be in each
Evaluate 8a​ −1 + 0.5b when a = 1/4 and B = 10
Do you think Ivan the Terrible or Peter the Great was more of an absolute monarch?
A school gym has an area of 2400 square feet. For a pep rally there are 700 people in the gym. How many square feet are available for each person?
In general, which of the following is NOT effective in preventing abuse?
Drawing on mendel's principle of independent assortment, thomas hunt morgan found that genes located on the same chromosome sort together. what is this principl
Explain the purpose of the whistleblower protection act ap gov
PLS HELP ME ASAP FOR 1, 2, 3, and 4 (SHOW WORK!!) + LOTS OF POINTS!!