Chemical patterns and properties Flashcards
1
Q
Properties of metals
A
conduct electricity, shiny, bend without breaking, solid at room temperature, conduct heat, can stretch into wires
2
Q
Exceptions to the proplerties
A
Mercury(liquid at room temperature), Lithium has a low density, Lead is a poor conductor, sodium and potassium are very soft, Cesium has a low melting point.
3
Q
Alkali metals
A
Far Left, group 1
4
Q
Alkali metals+water
A
Metal + water → metal hydroxide + hydrogen.
5
Q
where Alkali earth metals
A
penultimate left
6
Q
How do things corrode?
A
Oxygen gets into the metal
7
Q
how to prevent corrosion
A
galvanising(put zinc on top), paint or grease,
