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Chem 102 > Packet #1 > Flashcards

Packet #1 Flashcards

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1
Q

cation

A

an ion with a positive charge

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2
Q

anion

A

an ion with a negative charge

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3
Q

transition metals

A

any of the elements in the d-block of the periodic table. (middle - column 3B thru 2B)

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4
Q

atomic number

A

the number of protons in the nucleus of an atom of a given element

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5
Q

valence electrons

A

the electrons in the highest occupied electron shell of an atom

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6
Q

Hydronium ion

A

H₃O⁺

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7
Q

Ammonium ion

A

NH₄⁺

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8
Q

Acetate ion

A

CH₃CO₂⁻

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9
Q

Carbonate ion

A

CO₃²⁻

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10
Q

Hydrogen carbonate ion (bicarbonate)

A

HCO₃⁻

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11
Q

dichromate ion

A

Cr₂O₇²⁻

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12
Q

chromate ion

A

CrO₄²⁻

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13
Q

cyanide ion

A

CN⁻

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14
Q

hydroxide ion

A

OH⁻

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15
Q

hypochlorite ion

A

OCl⁻

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16
Q

Nitrate ion

A

NO₃⁻

17
Q

Nitrite ion

A

NO₂⁻

18
Q

Oxalate ion

A

C₂O₄²⁻

19
Q

Permanganate ion

A

MnO₄⁻

20
Q

Phosphate ion

A

PO₄³⁻

21
Q

Hydrogen Phosphate ion

A

HPO₄²⁻

22
Q

Dihydrogen phosphate ion

A

H₂PO₄⁻

23
Q

Sulfate ion

A

SO₄²⁻

24
Q

Hydrogen Sulfate ion

A

HSO₄⁻

25
Q

Sulfite ion

A

SO₃²⁻

26
Q

Ionization energy

A

The energy required to remove one electron from a single atom in the gaseous state

27
Q

Electron affinity

A

The energy released on adding an electron to a single atom in the gaseous state.

28
Q

Large ionization energy

A

electron not easily lost

29
Q

large electron affinityh

A

electron easily gained

30
Q

Valence electron shells

A

1s22s22p63s23p64s23d10

31
Q

mass number

A

protons + neutrons in the nucleus of an atom of a given isotope. (Every atom of carbon has 6 protons. But, not every isotope of carbon has same number of neutrons.)

32
Q

Ions

A

atoms or groups of atoms with a charge

33
Q

Metal atoms

A

lose electrons when they become ions (MetaLOSE)

34
Q

Non-metal atoms

A

gain electrons when they become ions

35
Q

polyatomic ion

A

group of atoms with an electrical charge

Chem 102 (15 decks)

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