Mass number = protons + neutrons = 34+46 =80
the element with an atomic number of 34 and mass number of 80 is selenium
Answer:
B
Explanation:
Energy is released, when a gas changes to solid
i think its MIDDLE FINGERS UP IN THE SKY AND AT THESE AHOLE MODERATORS
Answer: The energy transferred is known as kinetic energy, and it depends on the mass and speed achieved.