Metals And Non-Metals Flashcards
1
Q
lustrous
A
shiny metals
2
Q
What is an alloy
A
A mixture of metals
3
Q
Name an alloy
A
(brass, bronze, steel,solder)
4
Q
Describe rusting
A
A chemical reaction in which iron/steel changes into a new substance
5
Q
How to prevent rust
A
Painting
Oiling/greasing
Galvanising
6
Q
malleable
A
can be beaten into different shapes
7
Q
ductile
A
Can be stretched into a wire
8
Q
does a metal form Positive or negative ions?
A
Positive
9
Q
What is brass made of?
A
Copper and Zinc
10
Q
What does galvanising mean?
A
When an object is covered in zinc to prevent rusting
11
Q
What to things must be present for rusting to occur
A
Water and oxygen