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General and Inorganic Chemistry > Matter and Energy > Flashcards

Matter and Energy Flashcards

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1
Q

Is a characteristics of a substance that can be observed without changing the basic idenity of the substance

A

Physical Property

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2
Q

Physical Property

Are inherent to a substance and do not depend on the amount of the subtance present

A

Intrinsic properties

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3
Q

Physical property

Depend on the amount of the substance present and can change when the quantity of the material changes

A

Extrinsic properties

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4
Q

Is a characteristic of a substance that describes the way the substance undergoes or resists change to form a new substance

A

Chemical Property

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5
Q

A process in which a substance changes its physcial appearance but not its chemical composition

A

Physical change

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6
Q

A process in which a substance undergoes a change in chemical composition

A

Chemical change

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7
Q

The combining substances

A

Reactants

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8
Q

Substances formed

A

Products

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9
Q

Phase Changes in Matter

Solid to liquid

A

Melting

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10
Q

Phase Changes in Matter

Liquid to solid

A

Freezing or Solidification

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11
Q

Phase Changes in Matter

Liquid to gas

A

Evaporation

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12
Q

Phase Changes in Matter

Gas to liquid

A

Condensation

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13
Q

Phase Changes in Matter

Solid to gas

A

Sublimation

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14
Q

Phase Changes in Matter

Gas to solid

A

Deposition

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15
Q

is a single kind of matter that cannot be separated into other kinds of matter by any physical means

A

Pure Substance

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16
Q

Classification of elements

Physical properties of Metals

5

A
  • Usually solid at room temperature
  • Ductile
  • Malleable
  • Good conductor of heat and electricity
  • Show metallic luster when polish
17
Q

Classification of elements

Chemical properties of Metals

3

A
  • Combine with other metals to form an alloy
  • React with non-metal to form ionic compound or salts
  • Lose electron forming positive ion
18
Q

Classification of elements

Physical properties of Non-metals

8

A
  • Dull and cannot be polished
  • Brittle
  • Poor conductor of heat and electricity
  • Low melting point
  • Low densities
  • Some are gases, liquids or solids at room temperature
  • Low tensile strength
  • Not sonorous
19
Q

Classification of elements

Chemical properties of Non-metal

2

A
  • Combine with non-metal to form covalent compounds
  • Gain electrons forming a negative ion
20
Q

Classification of elements

Properties of Metaloids

A
  • Have properties that lie between metals and non-metals
  • Often look like metal but are brittle like non-metal
  • Poor conductors of electricity but their conductivity increases as temperature rises
21
Q

Is a pure substance that can be broken down into two or more simpler pure substance by chemical means

A

Compound

22
Q

The difference between Organic and Inorganic Compounds

A

Organic contains carbon while Inorganic doesnt

23
Q

Classification of Compounds

Substances that dontate protons when dissolved in water

A

Acids

24
Q

Classification of Compounds

Are substances that accept protons or donate hydroxide ions in solution

A

Bases

25
Q

Classification of Compounds

are ionic compounds formed from the neutralization reaction between an acid and a base

A

Salts

26
Q

Classification of Compounds

are compounds that contain at least one oxygen aton and one other element

A

Oxides

27
Q

Is a physical combination of two or more pure substances in which each substance retains its own chemical idenity

A

Mixture

28
Q

Properties of Mixture

The composition is uniform throughout

A

Homogeneity

29
Q

Properties of Mixture

Less than 1 nanometer (nm)

A

Particle Size

30
Q

Properties of Mixture

Particles are not visible, even under a microscope

A

Visibility

31
Q

Properties of Mixture

Solutions are stable and the solute does not settle out over time

A

Stability

32
Q

Properties of Mixture

Solute particles cannot be separated

A

Filtration

33
Q

are heterogeneous mixtures where the particle size is intermediate between those in solutions are suspensions

A

Colloids

34
Q

are heterogenous mixtures where the particles are large enough to eventially settle out

A

Suspensions

General and Inorganic Chemistry (3 decks)

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