checkpoint Flashcards

1
Q

Naming Ionic

A

-Transition metals have roman numerals.
-Just balance
-Starts with cation and ends with anion.

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2
Q

Naming Covalent

A

Molecular(Covalent):
-Mono-di-tri-tetra-penta-hexa-hepta-octa-nona-deca
-Two non-metals

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3
Q

Naming Acids

A

-3 elements (with oxygen) no hydro
-ite-ous
-ate-ic acid
-2 chemicals start with hydro and ends with ic acid

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4
Q

Naming Organic

A

meth-eth-prop-but
-CnH2N+2 Ane
-CnH2N Ene
-CnH2-2 Yne
CnH2+1 OH Alcohol

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5
Q

IMF

A

-Attractions between two or more molecules of solids and liquids but can sometimes be gases
-Determines all physical characteristics of a molecule.

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6
Q

LDF

A

-All molecules with electrons has this
-Temporary interactions between molecules due to clumping/dispersion of electrons on one side of an atom or molecule . This creates a polar-like molecule and can quickly interact with another mol or atom.
-Only type of interactions Noble gasses can have with each other and other atoms.

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7
Q

Dipole Dipole (Polar molecules Only)

A

-Attraction occurs between two opposite charged parts of two polar molecules.
-Dipole: Two poles of a singular molecule

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8
Q

Hydrogen Bonding

A

-Only occurs when bonded to Fluorine, Nitrogen, or oxygen
-The more Hydrogen present the higher boiling pt.
-Represented by dotted lines Increase your melting point and boiling point

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9
Q

Ion Dipole

A

-Water molecules will create a sphere
of solvation around the ions of an also increases boiling and melting points
ionic compound
-The δ+ side of a water molecule will be
attracted to and face a negative ion
-The δ- side of a water molecule will be
attracted to and face the positive ion

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10
Q

Boiling Point

A

Increases with Hydrogen Bonding, dipole-dipole, and ionic bonds.

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11
Q

Melting Point

A

Increases with Ionic Bonds, while non polar covalent bonds have lower melting points

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12
Q

Bond Shapes

A

Linear 180°
Trigonal Planar and Bent (< with lone pair) 120°
Tetrahedral 109.5°
Trigonal Pyramidal 107°

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13
Q

Moles to Grams

A

How many grams of Fluorine do you have when given 8.5 moles of F gas?
1 mole of F = 19.00 grams of F
8.5 moles of F x 19.00 g of F = 161.5 grams of F
1 mole of F
using significant figures, it becomes 160 g of F

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14
Q

Grams to Moles

A

How many moles of Carbon do you have when given 54.0 grams of C?
1 mole of C = 12.0 grams of C
54.0 grams of C x 1 mole of C = 4.50 moles of C
12.0 g of C
Molecules to grams:
How many grams of Na solid do you have when given 3.01 x10 23 atoms of Na?
1 mole of Na = 23.00 grams of Na
1 mole of Na = 6.022 x 10 23 atoms of Na
3.01 x10 23 atoms of Na x 1 mole of Na x 23.00 grams of Na = 11.496 g of Na
6.022 x 10 23 atoms of Na 1 mole of Na
*using significant figures, it becomes 11. 5 g of Na

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15
Q

Grams to Molecules

A

How many particles of O 2 gas do you have when given 1.25 grams of O 2 ?
1 mole of O 2 = 32.00 grams of O 2 ( 16.00 x 2)
1 mole of O 2 = 6.022 x 10 23 particles of O 2
1.25 g of O 2 x 1 mole of O 2 x 6.022 x 10 23 particles of O 2 = 2.352 x 10 22 particles of O 2
32.00 g of O 2 1 mole of O 2

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16
Q

Ionic Bond

A

Bond between non metal and metal. Transfers electrons

17
Q

Covalent Bond

A

Bond between non metals. Shares electrons.

18
Q

Polar molecule (Covalent Only)

A

When a molecule has positive and negative sides it is polar.

19
Q

Non Polar (Covalent Only)

A

When a molecule is equally sharing electrons and is neutral it is non polar.

20
Q

Metallic Bond

A

Bond between metals. Shares free electrons.