Question

Answer the following questions:
Q1. The ions of an atom has 2 negative charges. If mass number of the atom is 16 and the number of neutrons
is 8. What is the number of electrons in the ion and atom both?​

Answer 1

Answer:

atom - 8

ion - 6

Explanation:

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Answer 2

The number of electrons in the ion is 6 and the number of electrons in the neutral atom is 8.

• Every atom is composed of three types of particles: protons, neutrons, and electrons. The protons and neutrons are located in the nucleus, while the electrons occupy shells around the nucleus.

• The number of protons in an atom determines the element it represents. This number is referred to as the atomic number and is equal to the number of electrons in a neutral atom. For example, an atom with a mass number of 16 and 8 neutrons must have 8 protons, since the atomic number is 8.

• When an atom gains or loses electrons, it becomes an ion. A positive ion, also known as a cation, has lost one or more electrons and therefore has a net positive charge. A negative ion, also known as an anion, has gained one or more electrons and therefore has a net negative charge.

• In this case, the ion has 2 negative charges, meaning it has lost 2 electrons. The neutral atom with 8 protons must have 8 electrons, but the ion in question has 6 electrons. So, the number of electrons in the ion is 6 and the number of electrons in the neutral atom is 8.

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