The mass number of a chemical atom is 52 and it has protons. How many neutrons does this atom have?
2 answers:
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Answer:
8239.2g
Explanation:
Given parameters:
Number of atoms in Br = 6.2 x 10²⁵atoms
Unknown:
Mass of Br = ?
Solution:
From mole concepts, we know that:
1 mole of a substance contains 6.02 x 10²³ atoms/mol
Molar mass of Br = 80g/mol
6.2 x 10²⁵atoms x
x 80 x
= 8239.2g
Answer:
Es la capacidad, el poder de un átomo en una molécula para atraer a los electrones hacia sí.
Explanation:
