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Module 3 STUDY NOTES BEN YOU AWESOME PERSON. > Chem Notes Mod 3 > Flashcards

Chem Notes Mod 3 Flashcards

1
Q

What is crystalline

A

A material with a long range highly ordered lattice

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2
Q

What is Amorphous

A

This has no overall order in the extended structure

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3
Q

What is a molecule

A

Molecules are a collection of atoms bound together

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4
Q

What is a molecular substance?

A

Any substance composed of distinct molecules

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5
Q

Ionic Bonds

A

Ionic Bonds are formed by the attraction of ions with opposite charges

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6
Q

What are Ions bound together in?

A

The electrostatic force.

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7
Q

what is electronic force controlled by?

A

Coulomb’s law.

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8
Q

What is Coulomb’s law

A

This is the strength of the attraction where the smaller the distance and the larger the charges the stronger the force holding oppositely charged Ions Together

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9
Q

What is lattice energy

A

The sum of The Ionic Bonds in a lattice

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10
Q

What is cleaving?

A

When you break a crystal along a perfectly straight plane.

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11
Q

What is covalent Bond?

A

This is a type of bonding that occurs between electrons in one atom and the nucleus of another atom.

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12
Q

What is a double bond

A

The sharing of two pairs of electrons

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13
Q

What is a triple bond

A

The sharing of three pairs of electrons

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14
Q

What is Polyatomic Ions?

A

These are ions that are made up of Multiple Atoms

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15
Q

Define electronegativity

A

This is the numerical rating of an atoms ability to attract the shared electrons to itself

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16
Q

What is Polar covalent Bond?

A

This is the unequal electron sharing

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17
Q

Binary Ionic Compounds

A

These are composed of a metal and a non metal: adds ( IDE, as suffix)

18
Q

Binary Covalent Compounds

A

These are composed of two nonmetals or metalloids, ( this uses the prefix to indicate how many atoms of each type are present)

19
Q

What do intramolecular forces do?

A

They hold molecules together

20
Q

What does the bond formation do ?

A

ALWAYS releases energy.

21
Q

What does the breaking of a bond do?

A

It always Takes energy

22
Q

In a Lewis dot diagram

A

The paired electrons are two electrons that are present on ONE SIDE

The Unpaired electrons are only one electron on one side.

23
Q

What is a multiple bond?

A

This is when two atoms share more than one pair of electrons with each other.

24
Q

What is a single Bond.

A

The sharing of one pair of electrons.

25
Q

What prefix do the Acids with no oxygen atoms use?

A

HYDRO

26
Q

What is the steric Number of an atom? .

A

The steric number of an atom is the number of electron groups around an atom.

27
Q

Define the following FOrces

A

London forces: this is the weakest force there is, they occur between polar and non. Polar molecules

Dipole - dipole Forces: Attractive Forces between the positive end of one polar molecule3 and the negative end of another Polar molecule

Hydrogen Bonding: A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.

28
Q

What is single replacement

A

when One element replaces the other.

29
Q

What is double replacement

A

This is when there is 2 products and 2 reactants

30
Q

Define decomposition

A

This is when a compound breaks down into two simpler compounds

31
Q

Define Combination

A

When two substances give rise to another substance

32
Q

What is combustion

A

A reaction with oxygen and to give carbon dioxide and water.

33
Q

What is precipitation

A

Results in a solid, liquid, or gas form.

34
Q

what is solubility?

A

This is can be described as solid or a liquid form.

35
Q

What is net ionic

A

This happens after striking out spectator ions.

36
Q

What does VESPR stand for?

A

Valance shell electron pair repulsion theory.

37
Q

Define Vaporization

A

When a liquid turns to a gas

38
Q

Define Boiling Point

A

The temperature at which liquids boil

39
Q

Define freezing point

A

The temperature at which liquids freezes

40
Q

Define Sublimation

A

When a solid turns directly into a gas form.

Module 3 STUDY NOTES BEN YOU AWESOME PERSON. (1 decks)

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