Whisnant's Chapter 6

the building blocks of matter

• protons
• nucleus
• atoms
• electrons

positively charged particles

• neutrons
• protons
• electrons
• atoms

particles that have no charge

• protons
• neutrons
• electrons
• nucleus

negatively charged particles 

• electrons
• neutrons
• protons
• element

center of the atom that contains neutrons and protons

• element
• nucleus
• electron
• isotope

pure substance that cannot be broken down into other substances by physical or chemical means

• electrons
• protons
• element
• isotope

atoms of the same element that have different numbers of neutrons

• element
• compound
• isotope
• politope

a pure substance formed when two or more different elements combine

• prism
• compound
• isotope
• ionic bond 

the chemical bond that forms when electrons are shared

• molecule
• ion
• covalent bond
• ionic bond

a compound in which the atoms are held together by covalent bonds

• ionic bond
• ion
• van der Waals forces
• molecule