Unit 5- "Transforming Matter" Flashcards

1
Q

Atom

A

smallest particle that has all the properties of the element

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2
Q

Molecule

A

smallest particle that has all the properties of a compound

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3
Q

compound

A

combination (ratio) of 2 or more elements

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4
Q

element

A

all atoms that have the same number of protons

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5
Q

ion

A

an atom that has a charge (either “+” or “-“)

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6
Q

water

A

H2O

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7
Q

Carbon monoxide

A

CO

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8
Q

hydrochloric acid

A

HCl

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9
Q

hydrogen peroxide

A

H2O2

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10
Q

NaHCO3

A

sodium hydrogen carbonate

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11
Q

Carbon Dioxide

A

CO2

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12
Q

NaOH

A

sodium hydroxide

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13
Q

Sodium Chloride

A

NaCl

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14
Q

flammable and toxic

A

most organic compounds

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15
Q

contain carbon

A

all organic compounds

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16
Q

alcohols, esters, organic acids

A

oxygen containing organic compounds

17
Q

hydrocarbons (methane, propane)

A

containing only carbon and hydrogen

18
Q

4 WAYS TO SPEED UP THE RATE OF A REACTION

A

_increase concentration of reactants_____________________________

  1. _increase pressure______________________________________________
  2. _increase temperature___________________________________________
  3. _use a catalyst_________________________________________________
19
Q

spectrophotometry

A

based on how much light is absorbed by an example

20
Q

conductivity

A

uses electrical current to check ion concentration

21
Q

refraction

A

based on how light waves are bent as they move through a sample

22
Q

crystallization

A

super saturating a solution until it cannot stay dissolved

23
Q

precipitation

A

add vinegar to milk, causing proteins to clump

24
Q

distillation

A

heating a solution capturing vapors and turning them back into a solution

25
Q

chromatography

A

using negatively-charged resin to pull
positively-charged solute molecules from
a solution

26
Q

filtration

A

using a screen to remove rocks from garden soil

27
Q

liquid extraction

A

boiling sap to get syrup