Packet #1 Flashcards
(35 cards)
1
Q
cation
A
an ion with a positive charge
2
Q
anion
A
an ion with a negative charge
3
Q
transition metals
A
any of the elements in the d-block of the periodic table. (middle - column 3B thru 2B)
4
Q
atomic number
A
the number of protons in the nucleus of an atom of a given element
5
Q
valence electrons
A
the electrons in the highest occupied electron shell of an atom
6
Q
Hydronium ion
A
H₃O⁺
7
Q
Ammonium ion
A
NH₄⁺
8
Q
Acetate ion
A
CH₃CO₂⁻
9
Q
Carbonate ion
A
CO₃²⁻
10
Q
Hydrogen carbonate ion (bicarbonate)
A
HCO₃⁻
11
Q
dichromate ion
A
Cr₂O₇²⁻
12
Q
chromate ion
A
CrO₄²⁻
13
Q
cyanide ion
A
CN⁻
14
Q
hydroxide ion
A
OH⁻
15
Q
hypochlorite ion
A
OCl⁻
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
Sulfite ion
SO₃²⁻
26
Ionization energy
The energy required to remove one electron from a single atom in the gaseous state
27
Electron affinity
The energy released on adding an electron to a single atom in the gaseous state.
28
Large ionization energy
electron not easily lost
29
large electron affinityh
electron easily gained
30
Valence electron shells
1s22s22p63s23p64s23d10
31
mass number
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
Ions
atoms or groups of atoms with a charge
33
Metal atoms
lose electrons when they become ions (MetaLOSE)
34
Non-metal atoms
gain electrons when they become ions
35
polyatomic ion
group of atoms with an electrical charge
