Answer:
Electrons, Protons, and Neutrons. ... Protons are another type of subatomic particle found in atoms. They have a positive charge so they are attracted to negative objects and repelled from positive objects. Again, this means that protons repel each other
Answer:
41.25g
Explanation:
Given parameters:
Half-life of Technetium - 104 = 18minutes
Mass = 165g
Unknown:
Mass of sample remaining after 36minutes = ?
Solution:
The half-life of a radioactive element is the time taken for half of the element to decay;
Now;
Start First half life Second half-life
Time 0 18min 36min
Mass 165g 82.5g 41.25g
Answer:
I believe the answer is B but if I am wrong then I am very sorry
Squirrel, lion, turtle , crab, jelly fish, dolphin, fish, cow, rooster, human
