Since the exponent is negative, you move the decimal (2.0) to the left two spots leaving you with .02
Answer:
The given isotope is Br 80
If 35 protons present then its atomic number is 35
Mass number is 80 so its meutrons are 45 because proton+ neutron = mass number
Its electron are 36 because of negative one charge
Explanation:
Answer:
Absolutely True :) cause we use it all the time
Answer:
266.7 g
Explanation:
Molar mass of AlCl3=133.3405 g
2AlCl3=2×133.34
=266.7 g
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