Unit 5 Vocab + Review

A compound made of two nonmetals is called:

• A covalent compound

• An ionic compound

• A metallic compound

• A super compound

A bond is considered ____ when electrons are shared unequally.

• Ionic

• Nonpolar covalent

• Polar covalent

• Nonpolar ionic

The smallest unit of a covalent compound that maintains its properties is called a(n):

• Formula unit

• Molecule

• Atom

• Proton

What is the correct name for the chemical formula: KCl

• Potassium monochloride

• Potassium chlorine

• Potassium chloride

• Monopotassium monochloride

Which statement is NOT true about lone pair electrons?

• Lone pair electrons are electrons not involved in bonding

• Lone pair electrons are shared between two atoms

• Lone pair electrons are found on only one atom

• 1 lone pair of electrons contains 2 electrons

How many electrons are involved in a double covalent bond?

• 1

• 2

• 4

• 6

A way of representing a molecule that shows the atoms, bonds, and electrons in the molecule.

• Chemical formula

• Electron configuration

• Molar mass

• Lewis structure

Bond length is best described as:

• The distance between two atoms in a chemical bond

• The distance from the nucleus of an atom to the end of the electron cloud

• The distance between elements on the periodic table

• The mass of a bond

What are the two ways to represent a triple covalent bond in a lewis structure?

• 6 dots or 2 horizontal lines

• 3 dots and 3 horizontal lines

• 6 dots and 3 horizontal lines

• 2 dots and 1 horizontal line

The octet rule states that:

• Atoms tend to combine in such a way that they each have eight electrons in their valence shells
• Atoms tend to combine in such a way that they each have two electrons in their valence shells

• Atoms tend to combine in such a way that they each have ten electrons in their valence shells
• Atoms tend to combine in such a way that they each have six electrons in their valence shells