Chem4 Flashcards

(24 cards)

1
Q

Short =

A

height

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2
Q

Long=

A

Little

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3
Q

Electron Orbitals

A
Describes a region of 3-d space around a nucleus where the problem of finding an e- is greatest
S contains 1 orbitals 
P contains 3 orbitals 
D contains 5 orbitals 
F contains 7 orbitals
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4
Q

Orbitals occupancy

A

An orbital may be occupied by 0,1, or 2 e-

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5
Q

First ionization energy

Pt trend

A

Increase ^ & >

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6
Q

EA

A

Energy when a neutral atom gains an e- to form a (-) ion in the gas phase

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7
Q

Ionic Radius

A

The average radius of an ion

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8
Q

Electromagnetic Radiation

A

Energy traveling in the form of waves

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9
Q

Below sea level

A

Above 100°C

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10
Q

Above sea level

A

Below 100°C

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11
Q

Crystalline solid

A

Particles (atoms, molecules, ions) are packed in a definite, repeated, geometrical pattern which extends out in 3-D

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12
Q

Amorphous solid

A

Particles are packed irregularly, they lack structure, looks like a liquid frozen in time

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13
Q

Ionic crystals

A

Forces holding crystals together: IONIC BONDS

properties: high melting point(often 800°C)

Water solubility : soluble

Conductivity:(l),(aq) can conduct

Examples: NaCl

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14
Q

Molecular crystal

A

Forces holding crystals together: covalent compound

Properties: low melting point

Solubility: non soluble

Conductivity: poor

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15
Q

Covalent network solids

A

Ex: Diamonds

Properties: high melting point

Solubility: insoluble In H2O

Conductivity: poor

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16
Q

Metallic crystals

A

Metal nuclei: nuclei of metal is the point
VE
Properties: depends (melting point varies)

Solubility: non soluble

Conductivity: strong

17
Q

solid————->liquid

A

Melting or fusion

18
Q

Liquid———>gas

A

Boiling or vaporization

19
Q

Gas———–>Solid

20
Q

Liquid—————>solid

21
Q

Gas———–>liquid

22
Q

Ideal gas law

23
Q

Density

24
Q

Air =