Matter
What have mass and takes up space?
Matter
After mixing 2 liquids a gas is produced. This is an example of ...
A chemical change
The average kinetic energy of particles in a substance
Temperature
Name the positive particle in an atom
Protons
Going from liquid phase to solid phase is called?
Solidification
Gold is an example of an element, compound, or mixture?
Element
Boiling oil and producing a vapour is an example of a ...
Physical change
Increasing the kinetic energy of a solid turns it to a ...
liquid
Is located in energy levels
Electrons
Which is denser: steel (8.05 g/cm3) or gold (19.3 g/cm3)
Gold
What is the density of water with volume 50 mL and weighs 50 g?
1 g/mL
Water boiling at 100 oC is an example of qualitative or quantitative physical property
Quantitative physical property
Particles are close together and only vibrate are in what phase?
Solid
Who conducted the gold foil experiment to discover the nucleus?
Rutherford
What subatomic particle is a type of lepton?
Electron
Air is an example of an element, compound, or mixture?
Mixture
An example is colour, odour, and hardness.
Qualitative property
What happens to metal when it is heated?
Expands due to KMT
Quarks are fundamental particles of which subatomic particles?
Protons and Neutrons
Going from solid straight to gas is called?
Sublimation
What are the 3 phases of matter?
Solid, Liquid and gas
Flammability, reactivity and heat of combustion are examples of ...
Chemical change
Why does water hold together on wax paper?
Attraction between the water molecules.
What is most of the volume of an atom?
Empty space