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science test friday

science

QuestionAnswer
How did Mendeleev organize the Periodic Table? Groups - Similar properties Periods - Atomic mass
How is the periodic table organized today? Groups - Similar properties
What is a row on the periodic table called? How many are on the periodic table? Period (7)
What is a column on the periodic table called? How many are on the periodic table? Groups(18)
Identify 3 characteristics for metals Luster, Malleable, and Ductile
Where is Alkali Metals located and what are 2 things about it. Group 1 (Low melting point and High reactivity)
Where is Alkaline Earth Metals located and what are 2 things about it. Group 2 ( Higher melting point than group 1 and 2 valence e-)
Where is Transition Elements located and what are 2 things about it. Group 3 ( Highest Melting point and Metalliods
Where is Actinides located and what are 2 things about it. Group Very bottom (Radioactive and oxidizes in air)
Where is Lanthanindes located and what are 2 things about it. Group Above Actinides (Reacts silimar to Alkaline Earth Metals and malleable)
Where is Halogens located and what are 2 things about it. Group 17 ( Poisonous and salt formers)
Where is Noble Gases located and what are 2 things about it. Group 18 (inert and 8 valence e-)
What are 2 ways to identify the valence e- using the periodic table? Using the Groups 1, 2, 13-18 and using the last number, or Using Groups 1, 2, 13-18 and subtracting 10 for 13-18.
Identify 3 characteristics for nonmetals (Not Luster or Dull, Not Malleable, and Not a good conductor)
Identify 3 characteristics for metalloids. (Either Luster or Dull, Mediocre Conductor, Mediocre Heat Conductor)
Identify the number of valence e- in Group 1 1 valence e-
Identify the number of valence e- in Group 2 2 valence e-
Identify the number of valence e- in Group 13 3 valence e-
Identify the number of valence e- in Group 14 4 valence e-
Identify the number of valence e- in Group 15 5 valence e-
Identify the number of valence e- in Group 16 6 valence e-
Identify the number of valence e- in Group 17 7 valence e-
Identify the number of valence e- in Group 18 8 valence e-
Which group contains the most reactive metals? Alkali Metals
why are hydrogen and helium placed by themselves on the periodic table? Hydrogen - 1 e- Helium - It is an insert of a Noble gas
Why do alkali metals only exist as compounds in nature? For how extremely reactive they are.
What element is the most electronegativity? Fluorine (F)
What does the word Halogen mean? Salt former or formers of salt
What is the only metal that is a liquid at room temperature? Mercury
What type of elements lose electrons? Metals
what type of elements gain electrons? Nonmetals
What Halogen is a purple solid at room temperature Iodine
What Halogen is a red liquid at room temperature Bromine
Atomic Radii Half the distance by/with identically bonded atoms Periods - Decreases Groups - Increases
Electronegativity Attraction for e- (The closer to (F) the higher EN) Periods - Increases groups - Decreases
Ionization Energy required to remove an e- Periods - increases Groups - Decreases
Electron Affinity Energy required to gain e- Periods - increases Groups - Decreases
Created by: user-1900280
 

 



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