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Metals N5 (Reactions of metals (REDOX (Displacement (A metal higher in the…
Metals N5
Reactions of metals
Metal + Water -> metal hydroxide + hydrogen
Na, Ca, Li, K
metal + acid -> salt + hydrogen
metals above hydrogen in the ECS
metal + oxygen -> metal oxide
All except Au
REDOX
Displacement
A metal higher in the ECS displaces one lower ECS from a solution
Reduction
gain of electrons
Oxidation
loss of electrons
atoms held together by metallic bonds
an electrostatic force of attraction between the positively charged metal ions, and the negatively charged delocalised electrons.
Found on the LHS of the periodic table
Ores are naturally occurring rocks that contain metals
Conducts electricity
because the electrons are free to move around
metals for ions they lose electrons to form positive ions
The electrochemical series is a list of metals arranged in rank order of how easily the metal atoms lose electrons.
Metals at the top, like sodium & lithium, lose electrons easily
Solid at room temperature ( except mercury)
Often shiny, flexible ductile,
High melting and boiling points
