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Chemistry S4 ( Anjali ) > Covalent Bonding And Iconic Compounds > Flashcards

Covalent Bonding And Iconic Compounds Flashcards

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1
Q

What’s the structural formula of H2O

A

Angular

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2
Q

What’s the structural formula of NH3

A

Trigonal pyramid

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3
Q

What’s the structural formula of CCl4

A

Tetrahedral

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4
Q

What’s the structural formula of CO2

A

Linear

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5
Q

What type of bond is O2

A

Double

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6
Q

What type of bond is N2

A

Triple

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7
Q

What type of bond is Cl2

A

Single

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8
Q

What are the diatomic elements

A

Hydrogen
Nitrogen
Oxygen
Fluorine
Chlorine
Bromine
Iodine

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9
Q

What holds atoms together

A

Positive Proton in each nucleus is attracted to the shared pair of electrons

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10
Q

What are ion’s

A

A charged particle

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11
Q

Go onto notes to make the structures

A
  1. Is covalent network
  2. Iconic lattice
  3. Covalent molecule
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12
Q

The ions in an Ionic crystal are held together by

A

The attraction of the two nuclei towards delocalised electrons

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13
Q

Do covalent networks of strong or weak covalent bonds

A

Strong

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14
Q

Do ionic lattice have strong or weak ionic bonds

A

Strong

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15
Q

Do ionic lattice have strong or weak ionic bonds

A

Strong

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16
Q

Dose covalent molecular have a weak or strong forces of attraction

A

Weak

17
Q

Covalent have no electricity conductivity
T or F

A

T

18
Q

Iconic have no electricity conductivity
T or F

A

F they can conduct in a solution

19
Q

Finish the sentence

In order for a substance to be able to conduct..

A

Electricity it must have mobile charged particles

20
Q

Dose covalent molecules do conduct in any state
True or false

A

False they do not

21
Q

What’s the only covalent network that can conduct

A

Graphite

22
Q

Fill in blanks
Iconic compounds contains ____, but when they are ____ they do not conduct

A

Ions
Solid

23
Q

Finish the sentence

When an ionic compound melts or dissolves to form……………………

A

A Solution the Ions are mobile and the solution conducts

24
Q

What is electrolysis

A

The decomposition of an ionic compound into elements using electricity

25
Q

Whqt molecule has a low melting point

A

covalent molecule

26
Q

Out of covalent molecules covalent networks and ionic lattice what often has a low melting point

A

Covalent molecules

27
Q

What dose aqueous mean

A

Water

28
Q

What just a d.c be used

A

To identify the products of electrolysis

29
Q

What are ionic bonds

A

They are the electrostatic attraction between positive and negative ions

30
Q

Covalent bonds form between_____

A

Non metal atoms

Chemistry S4 ( Anjali ) (3 decks)

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