Chapter 2.1-2.2 Vocab Quiz

The smallest unit of an element that maintains chemical properties of that element?

• Compound

• Atom

• Ion

• Element

A substance that cannot be separated or broken down into simpler substances by chemical means.

• Ion

• Covalent Bond

• Element

A group of atoms that are held together by chemical forces; a __________ is the smallest unit of matter that can exist by itself and retain all the substance's chemical properties.

• Atom

• Compound

• Ion

• Molecule

_________ is the attractive force between oppositely charged ions, which form when electrons are transferred from one atom to another.

• Covalent Bond

• Ionic Bond

A bond formed when atoms share one or more pairs of electrons.

• Ionic Bond

• Covalent Bond

___________ is an atom that has gained or lost one or more electrons and has a negative or positive charge.

• Ion

• Element

• Molecule

The attractive force between two bodies of different substances that are in contact with each other.

• Cohesion

• Adhesion

The attractive force that holds molecules of a single material together.

• Cohesion

• Adhesion

A homogeneous mixture throughout which two or more substance are uniformly dispersed.

• Solute

• Solution

• Solvent

In a solution, the substance that dissolves another substance is called the ___________.

• Solute

• Solution

• Solvent