Science Test

Particle model
1. Kinetic theory
  1. Gasses move alot
  2. Solids dont move much
  3. Liquids move a bit
2. Particles have kinetic energy
  1. Which increases with the temperature
3. States of matter
  2. Don't need to worry about Gas-plasma
Types of mixtures
1. An alloy is a mixture of matals
Atoms
1. Nucleus
  1. Makes up 99% of the atoms mass
  2. Is extremely tiny
  3. Protrons
    1. Positively charged particles
  4. Neutrons
    1. Neutral particles
2. Cloud / shell
  1. Electrons
    1. A negatively charged particle
  2. Empty space
  3. Electrons
  4. Extremely light
  5. Makes up most of the volume of an atom
Periodic Table
1. Ones I had to memorise -
  1. Hydrogen
  2. Helium
  3. Lithium
  4. Beryllium
  5. Boron
  6. Carbon
  7. Nitrogen
  8. Oxygen
  9. Fluorine
  10. Neon
  11. Sodium
  12. Magnesium
  13. Aliminium
  14. Silicon
  15. Phosphorus
  16. Sulfur
  17. Chlorine
  18. Argon
  19. Potassium
  20. Calcium
Compounds
1. 2 or more elements
2. Chemically joined
3. Extremely difficult/impossible to seperate
Pure substances
1. A substance made of just one type of atom all through.
Physical and Chemical changes
1. Indications of chemical change
  1. Fizzing/bubbling
  2. Noise
  3. Colour change
  4. Temperature change
  5. New substance is formed/ chemical structure changes
2. Indication of physical change
  1. No new substance is formed
  2. Change is reversible

Resumo de Recurso

	Criado por Kelsey Bryan mais de 3 anos atrás