Chemical Bonds- HONORS

How are covalent bonds formed?

• Sharing of electrons
• Transfer of electrons

Why do elements bond?

• To be friends
• To create a new element
• To become stable

What is a valence electron?

• The sum of neutrons and protons.
• The # of electrons in the last shell.
• A type of bond.
• A popular compound.

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Group numbers on the periodic table help us determine 

• The number of valence electrons
• Color of the elements

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What happens when two negatively charged ions are pushed together?

• they will repel (move apart)

• they will be attracted to each other (move together)

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What happens when two oppositely charged ions are pushed together?

• they will repel (move apart)

• they will be attracted to each other (move together)

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Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

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Atoms are most stable when their outer shell is complete.

• true
• false

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How are ionic bonds formed?

• Transfer of electrons
• Sharing of electrons

How many Aluminum atoms are in Al₂O₃?

• 3

• 5

• 2

• 1

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