Physical Properties
Periodic Table
Compounds
Mixtures
Lesson Review
100
What is matter?
Anything that has space and volume.
100
The smallest particle of an element is called:
Atom
100
Which is the formula for water?
H2O
100
Two types of mixtures are:
heterogeneous, and homogeneous
100
The ability of an object to float in a liquid or gas is called:
buoyancy
200
Solid, liquid, or gas
States of matter
200
Name the scientist that originally arranged the elements in the Periodic Table.
Dmitri Mendeleev
200
Which elements are present in the formula for table salt?
Formula: NaCl Elements: Sodium (Na), Chlorine (Cl)
200
Pure substances are identified as:
elements and comounds
200
Particle in the atom that has negative electrical charge.
electron
300
What is Density?
D=m/v
300
Indicate the symbol and atomic number for Sodium.
Symbol: Na Atomic Number: 11
300
What does the atomic number indicates?
The number of protons.
300
Classify blood as a pure substance or a mixture. Indicate what type?
blood: mixture (homogeneous)
300
Particle in the atom that has positive electrical charge.
Proton
400
Calculate the density for a liquid that has a volume of 2 mL and a mass of 285 g.
D=142.5 g/mL
400
Identify Fe as metal, non-metal or metalloid.
Iron (Fe): metal
400
How many atoms are in the formula for the compound glucose: C6H12O6?
6 C, 12 H, and 6 O 24 atoms in total
400
Classify aluminum foil into mixture or pure substance.
aluminum foil: pure substance
400
What type of mixture is salt water?
homogeneous mixture
500
One mililiter of liquid labeled A, has a mass of 224 g. One mililiter of liquid labeled B, has a mass of 189 g. What is the density of each liquid?
Liquid A: 224 g/mL Liquid B: 189 g/mL
500
In a periodic table, identify the transitional metals group.
Columns 3-12 in a periodic table.
500
How many atoms are in the formula Al2(SO4)3?
2 Al, 3 S, and 12 O 17 atoms in total
500
Give two examples of pure substances and mixtures. Indicate what type.
Answer may vary.
500
A mixture that contains one or more metals and other solids is called:
alloy
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