Answer:

Explanation:
Your unbalanced nuclear equation is:

The main point to remember in balancing nuclear equations is that the sums of the superscripts and the subscripts must be the same on each side of the equation.
Then
84 = x + 2, so x = 84 - 2 = 82
210 = y + 4, so y = 210 - 4 = 206
Element 82 is lead, so the nuclear equation becomes

the sun makes it evaporate quicker if it is there for longer
Answer: 11.25 J
Explanation: Kinetic energy is expressed as the product of mass and the squared of velocity divided by 2.
Answer:
Just show them their place.
Explanation:
hope this helps
Answer:
B. the atomic weight of the element
Explanation:
since it talks about mass i think weight