Mass number = protons + neutrons = 34+46 =80
the element with an atomic number of 34 and mass number of 80 is selenium
Answer:
I'm not sure
Explanation:
sorry wish that I did tho
Force is a strength or energy as an attribute or physical action or movement, motion is the action or process of moving or being moved
289.4 F is the right one man
This is not chemistry but it's A, off top.