Lesson One
What are valence electrons?
What are electrons of the highest energy in an atom?
What is an ion?
What is an electrically charged atom?
What is a molecule?
What is a neutral group of atoms held together by covalent bonds?
What is a main thing that conducts heat?
What is metal?
What element has the symbol Cu?
What is Copper?
What is a chemical bond?
What is the force of attraction that holds two atoms together?
What is a chemical formula?
What are the symbols that show elements in a compound and the ratio of atoms?
What is a covalent bond?
What is a chemical bond formed when two atoms share electrons?
What is an alloy?
What is a mixture of two of more elements with at least one metal?
What is the symbol for Xeron?
What is Xe?
How is the Periodic Table organized?
What are periods and groups?
What are ionic bonds?
What is the attraction between two oppositely charged ions?
What is a double bond?
What is a chemical bond where atoms share two pairs of electrons?
What are some properties of metals?
What is luster, malleability, ductility, thermal conductivity, and electrical conductivity?
What element has the symbol Ga?
What is Gallium?
How many valence electrons are in hydrogen?
What is one?
What does the subscript in a chemical formula tell you?
What is the number of atoms?
What is a molecular compound?
What is a compound formed from molecules?
What is a semi-conductor?
What is a substance that can conduct electricity under certain conditions?
What is the symbol for Yttrium?
What is Y?
What are the families of the Periodic Table?
What are the alkali metals, alkaline earth metals, transition metals, other metals, nonmetals, metaloids, halogens, noble gasses, lanthanides, and actinides?
What is the electric current?
What is the flow of charged particles?
What is a polar bond?
What is a covalent bond where electrons are not shared equally?
What holds the metal ions in crystals?
What is a metalic bond?
What is Mr. Restivo's favorite subject to teach in science?
What is astronomy?