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chem 10 > quiz 4 > Flashcards

quiz 4 Flashcards

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1
Q

diatomic molecules

A
  • molecules of 2 of the same element

- Have (Hydrogen) No (Nitrogen) Fear (Fluorine) Of (Oxygen) Ice (Iodine) Cold (Chlorine) Beer (Bromine)

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2
Q

law of constant composition

A
  • various samples of the same chemical compound will have the same proportions of their constituent elements
  • expressed by proust
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3
Q

Charge of Ag

A

+1

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4
Q

Charge of Zn

A

+2

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5
Q

Charge of Al

A

+3

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6
Q

Charge of Sc

A

+3

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7
Q

how to name an ionic binary compound

A
  • regular name of first part, change second part to -ide

- ex: NaH -> Sodium Hydride, CaO -> Calcium Oxide

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8
Q

hydrate

A
  • ionic compound that is bound to water molecules

- ex: MgSO4*7H2O -> magnesium sulfate heptahydrate

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9
Q

prefix for 1

A

mono

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10
Q

prefix for 2

A

di

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11
Q

prefix for 3

A

tri

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12
Q

prefix for 4

A

tetra

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13
Q

prefix for 5

A

penta

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14
Q

prefix for 6

A

hexa

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15
Q

prefix for 7

A

hepta

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16
Q

prefix for 8

A

octa

17
Q

prefix for 9

A

nona

18
Q

prefix for 10

A

deca

19
Q

how to name a covalent compound

A

[prefix] [name of furthest left element] [prefix] [name of second element + -ide]

  • ex: CO -> carbon monoxide, CO2 -> carbon dioxide, H20 -> dihydrogen monoxide
  • note: if the first element is 1, omit the mono-
20
Q

how to name a binary acid

A
  • for binary w/ one element: hydro[base name of nonmetal + -ic] acid
  • ex: HBr -> hydrobromic acid
21
Q

how to name an oxyacid

A
  • for acid w polyatomic ion
  • i ATE something ICky
  • sprITE is deliciOUS
  • ex: HNO3 -> nitrate -> nitric acid
  • ex: HNO2 -> nitrite -> nitrous acid
22
Q

how does the atomic mass on the periodic table relate to mole?

A

the mass also indicates the element’s molar mass, aka amount of grams per 1 mole
ex: C has 12.01 g/mol

23
Q

mass % composition

A

[mass of smaller thing]/[mass of larger thing] * 100

chem 10 (11 decks)

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