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Chemistry 1201 > Chem Exam 3 > Flashcards

Chem Exam 3 Flashcards

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1
Q

Ionization Energy, Electronegativity, Acidity, Lattice Energy

A

Increases up and right

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2
Q

Radius, Metallic Character, Basic Solution Strength

A

Increases down and left

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3
Q

Acidity increases with _____ oxides

A

more

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4
Q

If the ions have different charges, the ________ the charge, the larger the lattice energy

A

Greater

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5
Q

If the ions have the same charge, the ____ the radius, the larger the lattice energy

A

smaller

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6
Q

Electronegativity doesn’t apply to

A

Noble gasses

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7
Q

Electronegativity of 0 results in

A

non polar covalent bonds

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8
Q

Electronegativity around 2 results in

A

Polar Covalent bonds

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9
Q

Electronegativity around 3 results in

A

Ionic Bond

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10
Q

Atoms that have the same number of electrons are said to be

A

Isoelectronic

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11
Q

What would experience a greater effective nuclear charge:
2p of Ne atom
3s of Na atom

A

2p electron of a Ne atom

Because as you move up and to the right of the periodic table, the effective nuclear charge increases

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12
Q

Which part of the periodic table has elements with the largest atoms

A

Bottom left

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13
Q

Cations are larger than their corresponding neutral atoms

A

False

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14
Q

F- is smaller than F

A

False

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15
Q

As Z stays constant and the number of electron increases, the electron-electron repulsions increase, and the cation becomes ______ than the neutral atom

A

Smaller

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16
Q

The 4s valence electrons are on average __________ from the nucleus than the 3d electrons, so Fe is ____________ than Fe^2+`

A

Farther, larger

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17
Q

Atomic radius increases when electrons are added to form an

A

Anion

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18
Q

The inward pull on the electrons from the nucleus

A

Effective Nuclear Charge

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19
Q

The greater the effective nuclear charge, the __________ the molecule and the harder it is to remove an electron

A

Smaller

20
Q

First ionization energy of Lead

A

Pb(g)—>Pb^+(g)+e^-

21
Q

As atomic radius increases, the ionization energy ________

A

Decreases

22
Q

Nonmetal oxides form _____ solutions in water

A

Acidic

23
Q

Bonds between two or more nonmetals are

A

Molecular

24
Q

What halogen is a liquid at room temperature

A

Bromine

25
Q

How many valance electrons does Nitrogen have

A

5

26
Q

A triple covalent bond results in a _____ distance between atoms than a single bond

A

shorter

27
Q

When two bonded atoms attract electrons with equal strength the result is a ____ bond

A

Non polar covalent

28
Q

Occurs between an anion and cation

A

Ionic Bond

29
Q

Isoelectronic Series

A

Group of atoms/ions that all have the same number of electrons
EX: O2-, F-, Ne, Na+

30
Q

Second Ionization Energy of Phosphorus

A

P+ (g) → P2+ (g) + e-

31
Q

Elements in the same column contain the same number of

A

Valance electrons (e-)

32
Q

Zeff =

A

The total number of the #’s in the electron config

33
Q

Cations

A

Smaller than the parent atoms

34
Q

Anions

A

Larger than the parent atoms

35
Q

Electron Affinity

A

Most negative electron affinity is the same as saying which has the largest electron affinity

36
Q

Element X reacts with chlorine to form a compound with the formula XCl2. The
oxide of element X is basic. Element X is ________.

A

Ca

37
Q

Na reacts with element X to form an ionic compound with the formula Na3X. Ca
will react with X to form ________.

A

Ca3X2

38
Q

Element M reacts with chlorine to form a compound with the formula MCl2.
Element M is more reactive than magnesium and has a smaller radius than barium. This
element is ________.

A

Sr

39
Q

What has a very polar bond

A

HF

40
Q

Halogens have _____ valance electrons

A

7

41
Q

Alkali Metals have ____ valance electrons

A

1

42
Q

Earth metals have _____ valance electrons

A

2

43
Q

A nonpolar bond will form between two ____ atoms of ______

A

identical, equal

44
Q

Resonance Structures

A

multiple Lewis structures that describe a single molecule

45
Q

Energy of Products - Energy of Reactants

A

∆H

Chemistry 1201 (2 decks)

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