bonding and structure Flashcards
1
Q
steel
A
a mixture of carbon and iron
2
Q
mixtures
A
- contain more than one element or compound
- e.g. air, tap water
3
Q
element
A
- a substance made from only one type of atom
- e.g. oxygen, buckminsterfullerene (C60)
4
Q
why are metals malleable?
A
the metal ions can move relative to each other while maintaining the metallic bonding
5
Q
why do metals have high mp/bp?
A
there is a strong overall attraction between the positive metal ions and the negative delocalised electrons
6
Q
the bond angles between a molecule result from repulsion between…
A
bonded pairs of electrons
