section 1
Section 2
Section 3
section 4
Random
100
matter that has uniform and unchanging chemical composition
What is substance
100
altering a substance without changing the composition
What is Physical change
100
combination of 2 or more substances that retain their original properties
What is mixture
100
what is the number of natural elements
What is 90
100
what is sodium chloride
What is salt
200
characteristic that can be observed or measured without changing the substance
What is Physical property
200
alters the chemical composition of a substance
What is chemical change
200
unevenly mixed
What is Heterogeneous mixture
200
where are elements found
What is periodic table
200
what is the periodic name for chlorine
What is Cl
300
ability of a substance to combine with or change into one or more other substances
What is chemical property
300
ways to tell it was a chemicle change
What is energy change, light or heat given off, odor change
300
evenly combined
What is homogeneous mixture
300
where are compounds found
What is periodic table
300
the abreviation for sodium
What is Na
400
the four states of matter
What is Liquid, solid, gas, and plasma
400
states that mass is neither created nor destroyed
What is conservation of mass
400
ways to separate mixtures
What is filtration distillation crystallization chromatography
400
what is the largest compound
What is Uranium
400
how many known compounds are there
What is 10 million
500
the gaseous state of a substance that is a solid or at room temperature
What is vapor
500
mass of reactants(starting material) =
What is mass of products(ending material)
500
if a sample from top and bottom they will match
What is homogeneous mixture
500
what is a period on the periodic table
What is row
500
who made the first periodic table
What is Mendeleev
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