Answer:
symbol= F
proton= 9
neutron= 19 I understand this is it ok for you
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%
Zinc deficiency affects the skin and gastrointestinal tract; brain and central nervous system, immune, skeletal, and reproductive systems. Zinc deficiency in humans is caused by reduced dietary intake, inadequate absorption, increased loss, or increased body system use. The most common cause is reduced dietary intake.
What are the answer choices ?
Answer:
No, they don't because of fact some way more than the other even if it's the same type of element.
Explanation:
There are two types of element weight I think.
