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Grace [21]
3 years ago
15

An atom of boron has an atomic number of 5 and an atomic mass of 11. The atom contains

Chemistry
1 answer:
Liono4ka [1.6K]3 years ago
3 0

Answer:

5 protons, 5 electrons, and 6 neutrons

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A particular atom has 58 protons and 82 neutrons. What are the atomic number, mass number, and periodic table symbol of this iso
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Atomic Numbers are the number of protons within the nucleus,
which is 58 here.
Atomic Number=58
Mass Number is the sum of the protons and neutrons in the nucleus, 
=58+82
Mass Number=140
Periodic symbol of this isotope is entirely dependent on the number of protons, 58, which corresponds to the element Cerium, abbreviated as Ce in the periodic table. 
Periodic Symbol=Ce
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Answer:

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