Exploring Ionic and Covalent Bonds

The video tutorial explains chemical bonds, focusing on ionic and covalent bonds. It begins with an introduction to chemical bonds and the octet rule, which states that atoms tend to combine to have eight electrons in their outer shell. The tutorial then delves into ionic bonds, using sodium and chlorine as examples to illustrate electron transfer and the formation of ions. Finally, it covers covalent bonds, highlighting electron sharing with examples like carbon dioxide, and discusses the significance of double bonds in chemical reactions.

What is the octet rule?

• Atoms combine to have 8 protons in their nucleus.

• Atoms combine to have 8 energy levels.

• Atoms combine to have 8 electrons in their outermost shell.

• Atoms combine to have 8 neutrons in their nucleus.

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What type of bond involves the transfer of electrons?

• Metallic bond

• Ionic bond

• Covalent bond

• Hydrogen bond

How many electrons does a sodium atom have in its outermost shell?

• 1

• 7

• 2

• 8

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What is an ion?

• An atom with a net electrical charge due to the loss or gain of a proton

• An atom with a net electrical charge due to the loss or gain of a neutron

• An atom with a neutral charge

• An atom with a net electrical charge due to the loss or gain of an electron

What is the charge of a chloride ion?

• Positive

• Neutral

• Variable

• Negative

What type of bond involves the sharing of electron pairs?

• Hydrogen bond

• Covalent bond

• Ionic bond

• Metallic bond

Which element is an exception to the octet rule?

• Oxygen

• Carbon

• Hydrogen

• Nitrogen

How many electrons does an oxygen atom need to complete its outer shell?

• 1

• 2

• 3

• 4

How many electrons does a carbon atom need to complete its outer shell?

• 4

• 8

• 6

• 2

Tags

NGSS.HS-PS1-1

What type of bond is formed in carbon dioxide (CO2)?

• Single bond

• Double bond

• Triple bond

• Ionic bond