Radioactive elements.
Its percent abundance is 0%.* * Co60 has a relatively short half-life of 5.27 years, and so, is not found in nature at all. Therefore, its percent abundance is not relevant. It is produced artificially.
50 g of NaCl represent 0,856 moles.
Chemical symbols represent a chemical substance or element
The chemical symbol is one or two letters that represent an element.
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Radioactive elements.
Atomic Mass or mass no
as a fraction 3/5
Generally 60.
It represents 60 + 5.
1 hour = 60 minutes so the answer is 1/60. Simple!
60 countries
There are 60 sec in a minute and 60 min in an hour OR 60 X 60 = 3600 sec/hr SO ... (number of seconds)/3600 = your answer
Tenth place
60
It is 360*39/60 = 234 degrees.