Unit 1 Vocabulary List

Chapter 1 Vocabulary

• Hypothesis
• Properties
• Chemistry
• Matter
• Mass
• Volume
• Meniscus
• Water displacement
• Density
• Intensive property
• Extensive property

Chapter 2 Vocabulary

• Element
• Chemical symbol
• Compound
• Chemical formula
• Phase
• Aqueous
• Chemical change
• Law of conservation of mass
• Reactivity
• Average atomic mass
• Atomic mass unit (amu)
• Periodic table of the elements
• Atomic number
• Group
• Alkali metal
• Halogen
• Noble gas
• Period
• Main group elements
• Lanthanides
• Actinides
• Metal
• Nonmetal
• Metalloid

Chapter 3 Vocabulary

• Atom
• Atomic theory
• Model
• Nucleus
• Proton
• Neutron
• Electron
• Atomic number
• Isotope
• Mass number
• Average atomic mass
• Radioactive isotope
• Nuclear reaction
• Radioactive decay
• Alpha decay
• Alpha particle
• Beta decay
• Beta particle
• Half-life
• Radiation
• Gamma ray
• Fusion
• Fission
• Nuclear equation
• Parent isotope
• Daughter isotope
• Chain reaction

Chapter 4 Vocabulary

• Flame test
• Valence shell
• Valence electron
• Core electron
• Ion
• Cation
• Anion
• Ionic compound
• Rule of zero charge
• Polyatomic ion
• Monoatomic ion
• Electron configuration

Chapter 5 Vocabulary

• Dissolve
• Soluble
• Insoluble
• Conductivity
• Chemical bond
• Ionic bonding
• Molecular covalent bonding
• Metallic bonding
• Network covalent bonding
• Covalent bonding
• Molecule
• Electroplating

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