Chemistry Short Review

Which of the following has a full valence shell?

• Oxygen
• Neon
• Barium
• Carbon

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Why do atoms bond?

• They typically don't bond

• To add or take away energy levels

• To have a full valance shell.

• To have a full inner shell

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Ionic bonding is between a

• nonmetal and nonmetal

• metal and nonmetal

• metal and metal

• Depends on the situation

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Covalent bonding is between a

• nonmetal and nonmetal

• metal and nonmetal

• metal and metal

• It depends on the situation

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Atoms are most stable when their outer shell is complete.

• true
• false

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• 2
• 8
• 3
• 13

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• 7
• 8
• 9
• 10

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Valence electrons are the...

• Innermost electrons
• Middle electrons
• Outermost electrons
• Any electrons

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How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

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Elements in the same column of the periodic table always have the same # of _______ as one another.

• Protons
• Neutrons
• Electrons
• Valence Electrons

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