Answer:
6.25% of the original amount
Explanation:
half-life means that half is gone for every certain period of time. Because the half life is 1 month, only half of the 'radionulide' is left every month.
after 1 month= 50%
after 2 months= 25%
after 3 months= 12.5%
after 4 months= 6.25%
The answer is a solution im pretty sure <3
What are the answer choices ?
Answer:
72 electrons
Explanation:
The 6th shell could hold up to 2(6)² = 2(36) = 72 electrons
