topic 1b - the periodic table (3. metals and non-metals) Flashcards
1
Q
what are metals
A
elements that can form positive ions when they react.
2
Q
what are non metals
A
elements that form negative ions
3
Q
physical properties of metals
A
strong but can be bent into different shapes
great at conducting electricity
high boiling point
4
Q
physical properties of non metals
A
tend to be dull
lower boiling opined
lower density than metals
don’t generally conduct electricity