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Chemistry > Chapter 6 and 7 (Ionic and Covalent Bonding & Shapes of Molecules and Intermolecular Forces) > Flashcards

Chapter 6 and 7 (Ionic and Covalent Bonding & Shapes of Molecules and Intermolecular Forces) Flashcards

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1
Q

Define water of crystallisation

A

Water of crystallisation is water chemically combined in definite proportions in a crystalline compound.

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2
Q

Define octet rule

A

Octet rule states that atoms on reaction tend to reach an electron arrangement with eight electrons in the outermost energy level.

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3
Q

Define valency

A

The valency of an element is the number of bonds an atom of the element forms when it reacts.

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4
Q

Define an ionic bond

A

An ionic bond is the electrostatic force of attraction between oppositely charged ions

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5
Q

Define covalent bond

A

A covalent bond is formed when two atoms share a pair of electrons

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6
Q

Define electronegativity

A

Electronegativity is the relative attraction of an atom for shared pairs of electrons in a covalent bond

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7
Q

Carbonate and Hydrogencarbonate Reagent

A

HCL

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8
Q

Adding HCL to hydrogencarbonate/carbonate =

A

Gas that turns limewater milky

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9
Q

Adding magnesium sulfate solution to carbonate

A

white ppt

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10
Q

Adding magnesium sulfate to hydrogencarbonate

A

white ppt on heating

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11
Q

Sulfate Reagent

A

Barium Chloride

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12
Q

Adding barium chloride to sulfate=

A

white ppt that is insoluble in HCL solution

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13
Q

Sulfite Reagent

A

Barium Chloride

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14
Q

Adding barium chloride to sulfite=

A

white ppt that is soluble in HCL

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15
Q

Chloride Reagent

A

Silver Nitrate

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16
Q

Adding silver nitrate to chloride=

A

white ppt

17
Q

Nitrate Reagent

A

Sulfuric Acid + Iron (II) Sulfate

18
Q

Adding sulfuric acid and iron (II) sulfate to nitrate=

A

brown ring

19
Q

Phosphate Reagent

A

Ammonium molybdate

20
Q

Adding ammonium molybdate to phosphate =

A

yellow ppt that dissolves in ammonia

21
Q

EPRT

A

Electron Pair Repulsion Therapy

22
Q

3x intermolecular forces

A

van der Waals’ forces, dipole-dipole interactions, hydrogen bonding

23
Q

Define hydrogen bonding

A

Hydrogen bonding is a special type of dipole-dipole interaction, which occurs when hydrogen is bonded to small, highly electronegative atoms such as O, N, or F.

Chemistry (16 decks)

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