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kozerog [31]
3 years ago
10

Barium has a mass number of 137 and 56 protons. Give the atomic number, number

Biology
1 answer:
Papessa [141]3 years ago
3 0

Answer:

the atomic number is 56

the number of electrons is 56

the number of protons is 56

the mass number is 137

the number of neutrons is 81

Explanation:

science test

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