Page two Flashcards
1
Q
How reactive is gold?
A
VERY UNREACTIVE
2
Q
What are physical properties?
A
Properties of a substance that can be determined without changing the chemical composition of the substance
3
Q
What can physical properties be used for?
A
Classifying whether a substance is a metal, non-metal or a semi-metal
4
Q
What are the physical properties of metals?
A
High density • Good conductors of electricity and heat •malleable and ductile • lustrous • high melting point •solid
5
Q
What is the melting point of non-metals?
A
usually low
6
Q
What is the melting point for semi-metals?
A
High
7
Q
What is the capacity for conducting electricity/heat for non-metals?
A
VERY LOW
8
Q
How well do semi-metals conduct electricity and heat?
A
POORLY SO NOT VERY WELL
