metals Flashcards
1
Q
metals are
A
electrical conductors
form basic oxides
2
Q
reactivity of metals
A
potassium sodium lithium calcium magnesium aluminium zinc copper silver gold
3
Q
metal + water —>
cold water reactions
A
metal hydroxide + hydrogen
4
Q
metal + water (steam) —>
A
metal oxide + hydrogen
5
Q
lithium and water
A
reacts vigorously
moving around on surface
2Li + H2O —> 2LiOH + H2
6
Q
sodium and water
A
even more vigorous
melts
rolls up into ball
moves rapidly around surface of water
2Na + H2O —> 2NaOH + H2
7
Q
potassium and water
A
produces flame
heat of reaction ignited hydrogen given off
2K + H2O —> 2KOH + H2
8
Q
metal + acid —>
A
salt + hydrogen
9
Q
displacement
A
metal A + metal B compound —> metal A compound + metal B
10
Q
extraction of metals equation
A
carbon + metal oxide —> metal + carbon dioxide