Bonding Chemistry

Sodium chloride is formed when sodium ion reacts with chloride ion. Describe how the bond is formed between sodium and chlorine. [2]

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NGSS.HS-PS1-1

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Element X has 12 protons while element Y has 17 protons. Which statement is correct when element X and element Y bonded together and formed a compound?

• The compound is gas at room temperature.

• The compound can conduct electricity.

• The compound has low melting point.

• The compound requires less heat to break the bonds on it.

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NGSS.MS-PS1-2

How many electrons are shared in a molecule of bromine?

Calcium oxide is produced when calcium and oxygen bonded together. Which of the following is correct?

• Calcium gains two electrons.

• Calcium loses two electrons.

• Calcium shares two electrons.

• Calcium loses two protons

Match the bonds with the amount of electrons

• 4 electrons (2 pairs) shared

• Triple bond

• 2 electrons (1 pairs) shared

• Single bond

• 6 electrons (3 pairs) shared

• Double bond

Match the following

• polar covelant

• unequal sharing of electrons

• ionic

• Complete transfer of electrons

• non-polar covelant

• equal sharing of electrons

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

• covalent bond

• ionic bond

• metallic bond

• james bond

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NGSS.MS-PS1-1

In a compound aluminum oxide, one element will lose electrons while the other element will gain electrons. Which element will gain electrons?

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NGSS.MS-PS1-1

Explain why diamond has a high melting and boiling point. [3]

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Diamond is an allotrope of carbon and forms a tetrahedral structure when bonded together. Name an element from the periodic table that would have the same structure as diamond?

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NGSS.MS-PS1-1