Front

What are delocalized electrons?

Back

Electrons that are free to move in metals, contributing to electrical conductivity.

Front

What is the basis of a metallic bond?

Back

The attraction between positive metal ions and free floating electrons.

Front

What charge does an atom have if it loses two electrons?

Back

+2

Front

What type of bond is formed when electrons are transferred from one atom to another?

Back

Ionic bond.

Front

What type of bond is formed when electrons are shared between atoms?

Back

Covalent bond.

Front

What is electronegativity?

Back

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

Front

What type of bond is formed between sulfur (S) and bromine (Br)?

Back

Non-polar covalent bond.

Front

What is an ionic bond?

Back

A chemical bond formed through the electrostatic attraction between oppositely charged ions.

Front

What is a covalent bond?

Back

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

Front

What is the oxidation number of an atom that gains one electron?

Back

-1