Unit 2 Vocabulary Exam

What two types of bonds are mentioned in the text as being involved in the formation of salt?

• Covalent and ionic
• Hydrogen and ionic
• Covalent and metallic
• Ionic and metallic

What happens to the salt when it dissolves in water?

• It turns into a gas and evaporates.
• It forms a new substance called a hydrate.
• It breaks down into its original atoms.
• It reacts with water to form a new compound.

What is the term used to describe the substance that is present in a larger amount when a substance dissolves in another?

• Solute
• Solvent
• Solution
• Excess reagent

A ____________is the force that holds atoms together in a compound.

• Chemical Formula
• Chemical Reaction
• Chemical Bond
• Synthesis Reaction

Cl₂

• Ionic Bond

• Covalent Bond

What is a negatively charged ion, formed when an atom gains one or more electrons?

• Anion

• Cation

• Covalent bond

• Chemical reaction

What is a positively charged ion, formed when an atom loses one or more electrons?

• Anion

• Covalent bond

• Cation

• Chemical reaction

What is a type of chemical bond where two atoms share electrons?

• Cation

• Covalent bond

• Anion

• Chemical reaction

What is a process that involves the rearrangement of atoms and molecules, resulting in the formation of new substances?

• Chemical reaction

• Covalent bond

• Cation

• Anion

What is a reactant that is present in a larger amount than needed for a complete reaction?

• Covalent bond

• Chemical reaction

• Hydrate

• Excess reagent