2.1/2.2 Vocabulary Quiz

Weak attraction between oppositely charged regions of nearby molecules.

• Hydrogen Bond

• Van der Waals forces

• Compound

• Isotope

Smallest unit of matter.

• Atom

• Molecule

• Element

• Ion

Mixture of water and non-dissolved particles; Blood is an example.

• Mixture

• Solvent

• Solution

• Suspension

Compound composed of either a weak acid or weak base that prevents sharp changes in pH

• pH scale

• Buffer

• Base

• Element

Chemical Bond formed when one or more electrons are transferred from one atom to another.

• Covalent Bond

• Hydrogen Bond

• Ionic Bond

• Van der Waals Forces

Attraction between molecules of the same substance; responsible for Surface Tension.

• Adhesion

• Cohesion

• Isotope

• Covalent Bond

Used to measure the concentration of H+ ions in a solution. Contains values from 0-14.

• pH scale

• Base

• Periodic Table

• Isotope

The center of an atom; houses protons and neutrons.

• Neutron

• Ion

• Nucleus

• Atom

Weak bond formed between a slightly positive hydrogen and another slightly negative atom.

• Hydrogen Bond

• Covalent Bond

• Van der Waals Forces

• Ionic Bond

Substance that is dissolved in a solution

• Solvent

• Solution

• Solute

• Suspension