CHEM FINAL Flashcards

1
Q

Cation naming rules

A

a:metal name only
b:metal name (roman umerical charge)
c:nonmetal cation name

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2
Q

anion naming rules

A

a:use —ide with monoatomic anions and OH-, CN-, and O2 2-
b:use –ate or —ite for polyatomic oxyanions

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3
Q

acid naming rules based on anion

A

–ide
–ate
–ite
hydro–ic acid
–ic acid
–ous acid

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4
Q

H compound naming

A

prefix+hydrogen anion

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5
Q

molecular naming

A

prefix+name (element 1)
prefix + short name –ide (element 2)

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6
Q

ClO3-

A

chlorate

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7
Q

SO4 2-

A

sulfate

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8
Q

NO3-

A

nitrate

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9
Q

PO4 3-

A

phosphate

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10
Q

CO3 2-

A

carbonate

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11
Q

OH-

A

hydroxide

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12
Q

CN-

A

cyanide

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13
Q

O2 2-

A

peroxide

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14
Q

78
Se 2-
34

A

H=34

#N=78-34=44
#e-=34+2=36

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15
Q

weighted mass=

A

sum(natural abundance x mass)

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16
Q

Energy=

A

mass x speed of light

17
Q

1 amu=

A

931.5 meV

18
Q

alpha decay

A

226 222 4
Ra= Rn + He
88 86 2

19
Q

beta decay

A

234 0 234
Th= e + Pa
90 -1 91

20
Q

gamma emission

A

238 0 4 234
U= g + He + Th
92 0 2 90

21
Q

positron emission

A

15 0 15
O= e + N
8 +1 7

22
Q
A