Metals And Non- Metals Flashcards
Name the 8 properties of metals
- conduct heat
- malleable
- shiny
- sonorous
- ductile
- high melting point
- hard and dense
- good electrical conductors
Name the two exceptions for the properties of metals
- Alkali metals(group 1) are soft with low melting point and and low density
- Mercury is liquid at room temperature
Name the symbols for the following Copper Zinc Aluminium Iron Silver Gold
Cu Zn Al Fe Ag Au
List the first 20 element
Hydrogen - H Helium - he Lithium - li Beryllium - be Boron - b Carbon - c Nitrogen- n Oxygen - o Fluorine - f Neon - ne Sodium - an Magnesium- mg Aluminium - Al Silicon - is Phosphorus - p Sulfur - s Chlorine - cl Argon - ar Potassium- k Calcium - ca
Name the 4 properties of non metals
- poor electrical conductors
- poor heat conductors
- brittle
- low melting points
Name the 2 exceptions of properties of non metal
- carbon in the form of graphite is good conductor of electricity
- Caron in the form of diamond is extremely hard and high melting point
What is an alloy
A mixture of metals
How can alloys form
- metals are heated till molten and mixed together
* different properties from the metals on their own
Name 3 alloys, what they are made up of and a use
BRASS > copper and zinc = musical instrument
BRONZE > copper and tin = statues
SOLDER > lead and tin = soldering
What is corrosion
An undesirable process whereby a metal changes to its oxide or some other compound by combing with oxygen and air. E.g copper becomes green
What is rusting and how is it formed
Carrion on iron •on the surface of iron or steel when exposed to air and water
How to prevent rusting
Painting
Galvanising
Greasing
What is the activity series
The rate which metals react with substances like water and acid
Name the most reactive metals to the least and name the rhyme
Cats make zebras cry Carbon Magnesium Zinc Copper
