Vocab Quiz: Chapter 6 & 7

Crystals are solids whose particles are arranged in a lattice structure

• true
• False

Anions are an ion with a negative charge

• true
• False

polyatomic ions are covalent bonds group (many) of atoms that have positive or negative charge and acts as a unit

• true
• False

Reactants is a substance formed as a result of a chemical reaction

• True
• False

a reaction that releases energy usually in the form of heat is a endothermic reaction

• true
• false

A diagram of an atom in which each dot represents a valance electron and has the elements symbol.

• covalent bond
• molecule
• electron dot diagram (or Lewis Dot)
• Metallic bond

A type of bond that has a metal and a non metal

• ionic bond
• covalent bond
• ion

an ion with a negative charge

• ionic bond
• anion
• cation

A written notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound

• chemical formula
• ion
• catalyst

In the process of ionic bonding, ions come together because

• opposite charges repel

• positive and negative ions attract

• salt is magnetic

• like charges attract each other