Statistics for Chemistry Quiz

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Hint	Answer	% Correct
don't hold shape and compressible	Gas	74%
don't hold shape and incompressible	Liquid	74%
hold their shape and incompressible	Solid	74%
Anything that takes up space and has mass	Matter	68%
ability to do work or cause change	Energy	42%
2 or more atoms chemically combined	Molecule	42%
the basic unit of a chemical element	Atom	37%
change the identity (and usually form) of a substance, mostly irreversible	Chemical Change	21%
substances that cannot be divided into simpler substances by ordinary means	Elements	21%
Homogenous Mixture - uniform in appearance	Solution	21%
Heterogenous Mixture - not uniform in appearance	Suspension	21%
answer is rounded to accurately known digit	addition and subtraction	11%
answer has the same number of significant figures as the least accurate factor	multiplication and division	11%
change in form, not a substance (generally reversible)	Physical Change	11%
C --> K	-273.15	5%
2 or more substances combined (composition is set)	Chemical Combination	5%
substance composed of 2 or more different elements in a chemical combination	Compound(ed Element)	5%
2 or more pure substances (composition is random)	Physical Combination	5%
Property Determined using the Senses	Physical Property	5%
ability to undergo a chemical reaction determined by an experiment	Chemical Property	0%
Signs of Chemical Change - (i.e. changes)	gas, light, heat, sound, color, precipitate	0%
Metric Base units	gram, liter, meter	0%