Chemical Bonds Review

How do covalent bonds form?

• Atoms share electrons to fill their valence shell.

• Atoms gain or lose electrons to fill their valence shell.

• Atoms donate electrons to a "sea" of electrons.

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An ionic bond is the attraction between

• similarly charged ions

• oppositely charged ions

• neutral ions

• neutral atoms

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A chemical bond between oppositely charged ions.

• Covalent bonds

• Ionic Bonds

• Ion

• Compound

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A chemical bond formed between shared atoms.

• covalent bond

• chemical bonds

• compound

• ionic bonds

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Two nonmetals from Region 3 combine. This is most likely a ​ (a)  

• covalent bond

• ionic bond

• metallic bond

• james bond

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How many valence electrons do most atoms need to have a complete outer shell and be happy?

• 1

• 8

• 10

• 5

If an element gives away an electron, what type of charge will it have?

• Positive.

• Negative.

• Neutral.

Ionic bonds form between metals and ____.

• metalloids

• metals

• nonmetals

In what form can an ionic compound conduct electricity?

• as a solid

• when dissolved in water

• as a crystal

• when warmed slightly

What chemical bonds typically have a low melting point?

• metallic

• ionic

• covalent