What's DA matter yo??
Anything that has mass and takes up space
Solid, liquid, and gas are thre primary ________
states of matter
Solid -> liquid
Melting
Elemets
A mixture where components are evenly distributed is called ___?
Homogeneous
Name TREE classical states of matter.
Solid, Liquid, Gas
Name one property of liquid
They take the shape of their container. IMF is weaker than a solid, stronger than a gas
Liquid -> Gas
Vaporisation/ evaporation/ boiling
Sodium + chloride is a/an element or a compound?
Compound
Oil + water forms this type of mixture
Heterogeneous
What is a pure substance? What are they classified into?
Anything with definite composition and distinct properties; elements and compounds
Which state of matter has a definite volume but no definite shape?
Liquid
What is condensation? Give me an example
gas -> Liquid; water droplets on a cold glass.
differentiate an element and a compound.
Element – one atom type; Compound – two or more chemically bonded atoms
Classify air, saltwater, and sand + water.
Air – homogeneous, Saltwater – homogeneous, Sand + water – heterogeneous
Is light considered matter?
No, it has no mass or volume
Mercury breaks apart before water molecules when heated. Why?
Mercury has a higher B.P. as compared to H20.
To change states of matter, what would we need to do?
manipulate the temp
Which mixture is harder to separate and why? What type of mixture are they? air or salad?
Air; gases are uniformly mixed and require special equipment.
Suggest a method to separate sugar from a sugar + sand mixture.
dissolve sugar in water, filter sand, evaporate water
Give me 1 example of matter you cant see but knows exists
Air, atoms
Compare particle arrangement in solids, liquids, and gases, and how it affects their properties. (prefrabbly on the board)
Solids- tightly packed, liquid- close but movable, gas- far apart, move freely
What's the only metal at room temperature?
Mercury
Give one example of an element and compound
H, H2O
Give one real-life example of a heterogeneous mixture.
Salad, trail mix, cereal, and milk