Understanding the Octet Rule and Ionic Bonds

What is the Octet Rule?

• A) Atoms combine to achieve a full outer shell of eight protons.

• B) Atoms combine to achieve a full outer shell of eight electrons.

• C) Atoms lose protons to achieve a stable configuration.

• D) Atoms gain neutrons to fill their outer shell.

B) Atoms combine to achieve a full outer shell of eight electrons.

Which element is stable with only two electrons in its valence shell?

• A) Neon

• B) Carbon

• C) Helium

• D) Oxygen

C) Helium

What are valence electrons?

• A) Electrons in the nucleus of an atom.

• B) Electrons in the inner shells closest to the nucleus.

• C) Electrons in the outermost shell of an atom.

• D) Electrons that have been lost by an atom

C) Electrons in the outermost shell of an atom.

How does the number of valence electrons affect an atom’s bonding behavior?

• A) Atoms with fewer valence electrons tend to gain electrons.

• B) Atoms with more valence electrons tend to lose electrons.

• C) Atoms with fewer valence electrons tend to lose electrons.

• D) The number of valence electrons has no impact on bonding.

C) Atoms with fewer valence electrons tend to lose electrons.

Why do metals typically lose electrons?

• A) To achieve a stable electron configuration.

• B) To gain additional protons.

• C) To increase their atomic mass.

• D) To fill their inner electron shells.

A) To achieve a stable electron configuration.

What charge does a potassium ion (K⁺) have after losing one valence electron?

• A) +1

• B) -1

• C) +2

• D) -2

A) +1

Question 7: How do non-metals achieve a stable electron configuration?

• A) By losing electrons.

• B) By gaining protons.

• C) By gaining electrons.

• D) By losing neutrons.

C) By gaining electrons.

What is the charge of a fluoride ion (F⁻) after gaining one electron?

• A) +1

• B) -1

• C) +2

• D) -2

B) -1

What occurs during the formation of an ionic bond?

• A) Electrons are shared between atoms.

• B) Electrons are transferred from metals to non-metals.

• C) Neutrons are transferred between atoms.

• D) Protons are shared between atoms.

B) Electrons are transferred from metals to non-metals.

What is the nature of the bond formed between a metal and a non-metal?

• A) Covalent

• B) Metallic

• C) Ionic

• D) Hydrogen

C) Ionic

What is the charge of a non-metal ion after gaining electrons?

• A) Positive

• B) Negative

• C) Neutral

• D) Variable

B) Negative