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Chemistry Mid Term

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Created by: Flick09

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Ejercicos para ayudar a memorizar símbolos de principales elementos químicos

Question	Answer
What is anything that has mass and occupies space called? energy volume temperature matter	Matter
What word fits the following definition? A testable, tentative explanation of a scientific phenomenon; a scientific guess. hypothesis theory law experiment	hypothesis
Give a unit for measuring an object's mass. milliliter gram Liter millimeter	Gram
Which of the following can be used to measure the mass of a liquid? balance graduated cylinder meter stick thermometer	Balance
The metric prefix for 1000 is: mega centi milli kilo	Kilo
Which of the following can be used to measure a liquid's volume? balance graduated cylinder thermometer hydrometer	Graduated Cylinder
What metric unit of measurement is about the same size as a yard? kilogram Liter centimeter meter	Meter
Choose the word that would best fit in the blank: Chemistry is the study of __________ and the changes it undergoes. matter emotion love happines	Matter
The Law of Multiple Proportions supports the idea of the atom. True False	True
An optical microscope can be used to see an atom. True False	False
A Scanning Tunneling Microscope can be used to record the image of an atom. True False	True
According to Dalton, all atoms of a given element are the same. True False	True- Dalton didn't know about Isotopes!
Democritus was a Greek philosopher who believed in atoms. True False	True
Dalton believed that in a chemical reaction atoms of a given element are turned into atoms of a different element. True False	False. (Dalton believed that atoms remained the same in a chemical reaction. The were just rearranged.)
Calculate the density of a substance that has a mass of 4.0 g and a volume of 1.0 mL. 4 g/mL 0.25 g/mL 3 g/mL 1 g/mL	d=m/v =4/1=4 g/mL 4g/ML
What word fits the following definition? A medieval endeavor concerned with turning other metals into gold. alchemy astrology philosophy sorcery	alchemy
Kinetic energy is energy of motion. True False	True