Chemical Reactions of Metals Flashcards
1
Q
What are the observations of heating calcium on a wire gauze
A
The grey solid burs with a bright red flame, leaving a white ash or solid behind
2
Q
Word equation : Calcium + Oxygen —->
A
Calcium Oxide
3
Q
What happens when heating magnesium
A
The grey solid burns with a bright white light producing a white ash
4
Q
Magnesium + Oxygen —->
A
Magnesium Oxide
5
Q
Sodium Symbol, hard or soft appearance when cut ad reaction with water
A
NA
Soft
Shiny when cut but tarnishes quickly
Floats on water
Bubbles and shrinks
Produces alkaline solution
6
Q
Potassium Symbol, hard or soft appearance when cut ad reaction with water
A
K
Soft
Shiny when cut
Tarnishes Quickly
Floats on water
Bubbles and gets smaller
Produces alkaline solution
Burns with lilac flame
