1 year ago

Ldentify the atom whose nucleus is composed of 56 protons and 82 neutrons.

Chemistry

1 answer:

kenny6666 [7]1 year ago

4 0

Answer:

Barium-138

Explanation:

The mass number is the atomic number + the number of neutrons. ... Identify the atom whose nucleus is composed of 56 protons and 82 neutrons. Barium-138 (the number of protons identifies the atom) Gallium has two naturally occurring isotopes: Ga-69 with a mass of 68.9256 amu and a natural abundance of 60.11% and Ga-71.

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