Answer:
The electrons farthest from the nucleus of the atom.
hope this helps!
A, Homogenous | b, heterogenous | c, homogenous
Half-life means that the matter degrades by 50% at each interval. 48.2 days is 2 intervals.
So, it would go down by 50% in the first interval, making it 50g. Then it would go down by another 50% from there, making the final amount of undecayed thorium-234 25g.
According the reaction with oxygen atoms the answer is Ionic bonds
Answer:
KE = 1/2 mv^2=0.5x 10 X 20^2= 800
Explanation
