Elements are made up of one type of _.
atom
Solid, Liquid, Gas and Plasma
These are the two types of mixtures that all mixtures can be categorized into.
What is heterogeneous mixture and homogeneous mixture?
This separates matter based on particle size
What is filtration?
This type of number is always considered significant
____________ are formed when two or more different elements bond.
Compounds
Pure Substances and Mixtures
Solutions with dissolved solids within them would be categorized as what type of mixture?
This technique isolates a solid that was dissolved in a liquid by boiling off the liquid.
What is evaporation?
Identify the number of significant digits in this number: 4,290 mg
What is 3 significant digits?
Pure Substances can be broken down ___________ but not ____________.
chemically but not physically
These are the four different categories that properties of matter can be classified into.
Physical, Chemical, Intensive and Extensive
_ mixtures are when the particles look the same.
What is homogeneous?
This separation technique takes advantage of different boiling points of different substances in a solution.
What is distillation?
The digit in the following measurement is the uncertain digit:
32.6 mL
Classify the following:
Fl2
Diatomic Element
(Element Okay)
Flammability is this type of property of matter
Salad, chocolate chip cookies and fried rice are examples of what type of mixture?
What is heterogeneous?
What is a centrifuge?
Identify the number of significant digits in the following number:
0.02040 m
Which of the following are compounds:
O2, CO2, SO4, Br2, H2O, Co
CO2, SO4 and H2O
Density can be determined by these two traits/characteristics.
mass and volume
Visual Clue... (See slideshow)
What is 2?
This technique uses the attraction of a substance to a liquid solvent to separate pigments.
What is chromatography?
Give the density of the rock in the following problem with accurate significant figures and units.
A graduated cylinder filled with 300.0 mL of water had a rock added to the cylinder. It had a final volume of 473.0 mL.
The mass of the rock was 247.0 grams, what is its density?
What is 1.428 g/mL?