Test 1 TTK
Scientific method
• hypothesis
• controlled experiment
• properties of life
• DNA how living things differ
• Natural selection
• SPONCH
• Compounds, molecules
• Atomic structure
o Nucleus P & N= Atomic Mass
o P = Atomic number
o Electrons shells - # electrons per shell
o Valence electrons
• Isotopes
• Bonding
o Ionic
o Covalent, polar covalent
o Water properties
• pH scale acids, bases
• Functional groups
• 4 major macromolecules properties of each
Dehydration synthesis, hydrolysis