Chemistry Final Exam Grade 11 December 2024

Front

What is the most stable electron configuration for covalent compounds?

Back

Eight electrons.

Front

Atoms form double or triple covalent bonds if they can attain a ________ structure.

Back

Noble gas.

Front

What is the valency of Group VII elements?

Back

1.

Front

What is the charge of an Oxygen ion (Oxide) in an ionic compound?

Back

-2.

Front

Which of the following is a compound formed by transition elements?

Back

Iron chloride.

Front

Define covalent bond.

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full set of eight valence electrons.

Front

What are transition elements?

Back

Transition elements are metallic elements that have partially filled d orbitals and can form variable oxidation states.

Front

Explain the concept of electronegativity.

Back

Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons.