Chemical Bonding Properties

The melting points of covalent molecules are:

• very high

• high

• medium

• low

Which of the following is true about Ionic Bonds? (select ALL TRUE options)

• High melting point

• Low melting point

• Most can dissolve in water

• Cannot dissolve in water

• Can conduct electricity

The melting points of covalent molecules are:

• very high

• high

• medium

• low

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NGSS.HS-PS1-1

Which of the following is true about Ionic Bonds? (select ALL TRUE options)

• High melting point

• Low melting point

• Can dissolve in water

• Cannot dissolve in water

• Can conduct electricity

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NGSS.HS-PS1-3

Which of the following is true about Covalent bonds? (select ALL true options)

• High melting point

• Low melting point

• Cannot conduct electricity

• Can conduct electricity

Excellent conductors as solid and liquid due to a sea of delocalised electrons.

• simple covalent molecules

• metallic

• ionic

• giant covalent

Giant structures with high melting and boiling points but only conduct electricity when molten or dissolved in a solution.

• Small molecular covalent

• Metallic

• Ionic

• Giant covalent

Tags

NGSS.HS-PS1-3

Covalent networks have ________ melting and boiling points.

Which of the following is NOT TRUE about covalent compounds?

• They have low melting and boiling points.

• They are formed from 2 nonmetals.

• They can conduct electricity when dissolved in water (aqueous).

True or False: The chemical formula for a covalently bonded group of atoms is called the molecular formula and it indicates the exact makeup of one molecule of a substance.

• True

• False