Question

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1 What is an ion?


2 Gold has atomic number 79 and mass number 197 What would you find inside an atom of gold?​

Answer 1

Answer:

1.An ion is an atom or molecule that has a different number of electrons than protons, so it has a charge.

2.According to the list of elements given inside the front cover, gold has an atomic number of 79. Consequently, an atom of 197Au has 79 protons, 79 electrons, and 197 – 79 = 118 neutrons. ... Thus, all atoms of this element have 38 protons and 38 electrons.

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Answer 2

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⏩ • What is an Ion?

• Gold has atomic number 79 and mass number 197 What would you find inside an atom of gold?

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Ans-1⏩ An ion is an atom or molecule that has a net electrical charge. Since the charge of the electron is equal and opposite to that of the proton, the net charge of an ion is non-zero due to its total number of electrons being unequal to its total number of protons.

Ans-2⏩ 79 Electrons, 79 Protons and 118 Neutrons.

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