What is the mass number of an element that has 6 protons, 8 neutrons, and 6 electrons?

14

Explanation:

the mass number = protons number +neutrons number

so..

6+8=14

h let me think

it is important to conserve water because there is very limited amount of freshwater here on earth and if we are not smart about how we use it we will only be runnning out of our supply faster than neccessarry.