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1) What is the same in the Lithium atom and Lithium ion?
2) What is different in the Lithium atom and Lithium ion?
3) Explain why a Lithium ion is positive in charge
4) What is the same in the oxygen atom and oxygen ion?
5) What is different in the oxygen atom and oxygen ion?
6) Explain why a oxygen ion is negative in charge
Please help.

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Answer:

1. Lithium Atom (Li) has 3 protons, 3 electrons, and 4 neutrons. Lithium Ion (Li+) has 3 protons, 2 electrons and 4 neutrons

2. lithium-ion has a positive or a negative charge but a lithium atom is neutral

3. A lithium atom has 3 protons and 3 electrons. It can lose one of its electrons, making it an ion. It now has more positive protons than electrons so it has an overall positive charge. Therefore it is a positive ion

4. same number of protons

5. The oxygen molecule is made of two oxygen atoms that have formed a double bond with each other and share valence electrons. The oxygen ion is formed when the oxygen atom gains two valence electrons, and this results in an oxygen ion with a 2- charge.

6. Oxygen has the second-highest electronegativity of any element. When Oxygen forms a bond it pulls the electron density of the bond closer to the Oxygen and away from the other element. This causes Oxygen to have a negative charge and the other atom a positive charge.

Explanation:

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