Flashcards in Topic 6 Periodic Table Deck (22):
Why was Newland's work rejected?
His table assumed all elements were discovered
Some grouped elements weren't similar
When creating the octaves, he put some elements in the same position
Who was Mendeleev?
Mendeleev was a Russian Scientist who built off of Newland's Law of Octaves and created the main foundation of the Periodic Table
Name 4 Features of Mendeleevs Periodic Table?
Arranged elements in groups and periods
Separated Metals and Non - Metals
Elements arranged in Atomic Mass
Name 4 ways our Periodic Table is different to Mendeleevs one?
Elements arranged in Atomic Number
Actinides and Lanthanides
Name Group 1 of Periodic Table?
Name Group 2 of Periodic Table?
Alkaline Earth Metals
Name the Elements between Group 2 and 3?
Name of Group 7?
Name of Group 8?
Name 5 trends going down Group 1 and 2?
Softer to cut
Lower melting and boiling points
Name 4 trends going down group 7?
Increasing melting and boiling point
Metal + Water --->?
Hydrogen + Metal Hydroxide
Metal + Oxygen --->?
Metal + Acid --->?
Salt + Hydrogen
Metal + Halogen --->?
Give 4 observations of Potassium in water?
Floats on surface
Dissolves and disappears
Purple lilac flame
4 observations of Sodium in water?
Rolls in to ball
Fizzes across surface
Gas given off
Give 5 physical properties of Chlorine?
Pale Green Gas
Denser than air
Slightly soluble in water
Bleaches damp litmus paper
Give 3 uses of Chlorine?
Manufacturing of PVC
Source of Chlorine?
Electrolysis of Sodium Chloride
Give a use of Noble Gases?
Glowing Neon Signs