1st half-life: 100%/2 = 50%
2nd half-life: 50%/2 = 25% + 50% (from first half-life)
3rd half-life: 25%/2 = 12.5% + 75% (from first and second half-lives
I looked it up...
Pretty sure it’s a) Carbon, if not tell me.
Answer:
Semi-track
Explanation:
It has more mass so,more KE.
It's not the protons neutrons or electrons I know for sure but not the energy levels but it's the only one left so it has to be
Answer:
a) 0,5
Explanation:
If x=6 and y=2, then (2x-4y)/(x+y)=(2*6-4*2)/(6+2)=(12-8)/8=4/8= 0,5