Group Soup
Which groups are most reactive? Which groups are most stable?
1A, 2A, 7A.
8A
Why is it not sustainable to waste metal ores?
Nonrenewable resource
A substance’s ability to be drawn or pulled into the form of a wire
What is the least dense gas?
Hydrogen
What type of transition metals are radioactive?
Actinides
4 Characteristics of Metals
Malleable
Ductile
Good conductors of heat and electricity
Lustrous/Shiny
A substance's ability to be flattened into thin sheets by hammering or by the application of intense pressure
Malleability
How are ionic and covalent bonds different?
metal and nonmetal,
Nonmetals
What is the number of valence electrons for Noble gases, Alkali Metals, Halogens, and Alkaline Earth Metals?
8 (2 for helium), 1, 7, 2
Which is more reactive-Alkali Metals or Alkaline Earth Metals? Why?
Alkali Metals, 1 valence electron vs 2
the gradual wearing away of a metal as a result of a chemical reaction in which the metal is changed into a metallic compound
Corrosion
What nonmetal exists as a liquid at room temperature?
Bromine
Is hydrogen a metal or a nonmetal? Does it normally donate or receive electrons?
Nonmetal, donate
Why do transition metals behave so diversely?
outer TWO shells hold valence electrons
A naturally occurring rock from which a useful metal or mineral is recovered
ore
What pH number is most acidic/neutral/basic? What does each mean? (+200 points)
0, 7, 14, acidic is H+ ions, basic OH- ions (low concentration of H+ ions)
What type of compounds do halogens form at room temperature?
Diatomic molecules
What type of transition metals are radioactive?
Actinides
The process of converting ore into a free, uncombined metal
Reduction
Are stomach tablets acidic or basic? Explain why stomach tablets might help with stomach pain.
Basic, they neutralize stomach acid