Metallic structure, bonding and properties

Question 1

where are metals found on the periodic table

Answer 1

on the left hand side

Question 2

metal ion arrangement

Answer 2

positive metal cations are arranged in a regular pattern surrounded by electrons

Question 3

which force holds positive metal ions and delocalised electrons together in metals

Answer 3

electrostatic attraction (opposite charges attract)

Question 4

what is an alloy

Answer 4

a substance where two or more materials (at least one metal) are mixed together

Question 5

what is the difference in the arrangement of atoms in pure metals compared to alloys

Answer 5

pure metals have only one type of atom (element), alloys are various elements mixed together

Question 6

why are pure metals softer than alloys

Answer 6

the presence of different elements in alloys makes it harder for cations and electrons to move

Question 7

how do metals conduct heat and electricity

Answer 7

very well,

delocalised electrons move freely which results in the conduction of both heat and electricity

Question 8

why do metals have high melting points

Answer 8

metallic bonds are strong and a lot of heat energy is needed to break them

Question 9

how can metals be manipulated into different shapes

Answer 9

delocalised electrons and cations move freely around each other when force is applied