Manganese since 25 protons is 25 atomic number
Answer:
a) 0.25 g b) 0.01542 g
Explanation:
Half life of Po-218 = 3.04 minutes
initial mass = 1 g
after 3.04 minutes it will remain 0.5 g
after another 3.04 minutes it will remain 0.25 g
After 6 minutes it will remain approx 0.25 g
B) after another 3.04 minutes it will remain 0.125 g
after another 3.04 minutes it will remain 0.0625 g
after another 3.04 minutes it will remain 0.03125 g
after another 3.04 minutes it will remain 0.015625 g
After 18 minutes it will remain approx 0.01542 g
Answer:
The answer is the 3rd line.
Explanation:
That's the atomic number
Answer:
Polyhalogen derivatives are given when Phenol is treated with bromine water, in which all the H-atoms present at the o- and p- positions are substituted by Bromine with respect to the -OH group.
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Explanation: