Question

Explain why the two isotopes of bromine have the same chemical properties.​

Answer 1

The two isotopes of bromine have the same chemical properties due to the presence of same number of electrons.

Explanation:

• Species which contain same number of protons but different number of neutrons are known as isotope.  For example, $^{79}_{35}H$ and $^{81}_{35}H$ are isotopes.

• As we know that neutral atoms contain same number of protons and electrons. And, species which contain same number of valence electrons tend to show similar chemical properties.

• Therefore, due to the presence of same number of electrons in the isotopes of bromine they tend to show similar reactivity. As a result, two isotopes of bromine have the same chemical properties.

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Answer 2

Answer:

Because they have the same number of electrons in their outermost shell.

Explanation: