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Valence Levels and Stability Diagram of a Chlorine Atom

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Valence Levels and Stability Diagram of a Chlorine Atom

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Questions and Answers

What is the main reason for chlorine to prefer taking an electron?

To complete its valence level (correct)

To become more reactive

To increase its atomic number

To reduce its electronegativity

Why does sodium prefer to get rid of its single valence electron?

To increase its electronegativity

To become more stable

To complete its valence level (correct)

To form an ionic bond with chlorine

What determines whether an atom will share, take, or donate electrons?

Ionization energy

Atomic mass

Electronegativity (correct)

Atomic radius

Which of the following statements about atoms with incomplete valence levels is true?

They are typically unstable (D) Signup and view all the answers

How can atoms deal with an incomplete valence level apart from sharing electrons?

By taking or donating electrons (C) Signup and view all the answers

In the sodium-chlorine example, what happens when sodium gives its extra electron to chlorine?

An ionic bond forms between them (A) Signup and view all the answers

What makes sodium and chlorine 'perfect partners' for electron transfer?

One wants to give an electron, the other wants to take one (D) Signup and view all the answers

What happens to the outer shell of sodium when it gives its electron to chlorine?

It disappears completely. (A) Signup and view all the answers

What term is used for a positively charged ion?

A cation (A) Signup and view all the answers

Why is the bond formed between sodium and chlorine called an ionic bond?

Resulting from the electrostatic attraction of opposite charges. (C) Signup and view all the answers

What does an ionic bond form between?

A cation and an anion. (B) Signup and view all the answers

How does water affect the stability of ionic bonds in sodium chloride?

Decreases the stability. (D) Signup and view all the answers

What is the charge on a chlorine ion?

-1 (B) Signup and view all the answers

Why are ionic bonds considered stable?

Because of strong electrostatic forces between ions. (C) Signup and view all the answers

What is the term for a group of atoms that are held together by ionic bonds?

Crystal (C) Signup and view all the answers