Episode 501 Chemical Bonding Notes

Flashcards based on Episode 501 covering key concepts of chemical bonding, including ionic and covalent bonds, properties, and electronegativity.

A chemical bond forms when 2 or more atoms rearrange __ to increase stability.

valence electrons

In an ionic bond, valence electrons are __ from one atom to another.

transferred

A cation is an atom that __ electrons and becomes positively charged.

loses

An anion is an atom that __ electrons and becomes negatively charged.

gains

In chemical bonding, __ attract opposites.

forces

Ionic compounds are arranged in a __ lattice.

crystal

One property of ionic compounds is that they have __ melting and boiling points.

high

Covalent bonds involve the __ of electrons between nonmetals.

sharing

Covalent compounds generally have __ melting and boiling points compared to ionic compounds.

lower

Many covalent compounds are __, existing as liquids or gases.

volatile

Electronegativity measures how strong an atom's attraction is for __.

electrons

Oxygen has a stronger electronegativity than hydrogen, giving it a partial __ charge.

negative