Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Biology

2 answers:

nexus9112 [7]4 years ago

6 0

The correct symbol of Iodine with 53 protons and 78 neutrons is shown below.
The symbols comprises two numbers.

Atomic Number:
The number highlighted BLUE is the atomic number of Iodine. Atomic number shows the number o protons present in the nucleus.

Mass Number:
The number highlighted in RED is the mass number of given Iodine. Mass number is the sum of protons and neutrons present in the nucleus. So,

Mass Number = # of Protons + # of Neutrons

Mass Number = 53 + 78

Mass Number = 131

Dvinal [7]4 years ago

5 0

Answer:

A) 78 I 53

Explanation:

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