Test 1 Flashcards
Isotope:
Carbon-11
Protons: 6
Electrons: 6
Neutrons: 5
Isotope:
Carbon-12
P: 6
E: 6
N: 6
Isotope:
Carbon-13
P: 6
E: 6
N: 7
Isotope:
Carbon-14
P:6
E:6
N:8
Diatomic Molecules
Hydrogen Oxygen Nitrogen Fluorine Chlorine Bromine Iodine
Molecular formulas
Actual # of atoms
Empirical formula
Relative # of atoms of each molecule
Cation
Positively charged ions; typically metals
Anion
Negatively charged ion; typically nonmetals
Cations formed from metal atoms…
have same name as metal
If a metal can form cations with different charges….
the positive charge is indicated by a roman numeral in parentheses following metal name
Cations formed from nonmetal atoms…
end in -ium
H+
hydrogen ion
Li+
lithium ion
Na+
sodium ion
K+
potassium ion
Cs+
cesium ion
Ag+
silver ion
Mg 2+
Magnesium Ion
Ca 2+
Calcium ion
Sr 2+
Strontium Ion
Ba 2+
Barium ion
Zn 2+
Zinc ion
Cd 2+
Cadmium ion
Al 3+
Aluminum ion
NH4 +
Ammonium ion
Cu +
Copper(I) or Cuprous ion
Co 2+
Cobalt (II) or cobaltous ion
Cu 2+
Copper(ii) or cupric ion
Fe 2+
Iron(II) or ferrous ion
Mn 2+
Manganese(II) or manganous ion
Hg2 2+
Mercury (I) or Mercurous ion
Ni 2+
Nickel (II) or Nickelous ion
Pb 2+
lead (II) or plumbous ion
Sn 2+
Tin(II) or Stannous ion
Cr 3+
chromium(III) or chromic ion
Fe 3+
Iron(III) or ferric ion
The names of monatomic ions are formed by…
replacing ending of element name with -ide
Polyatomic anions containing oxygen names end in either….
-ate or -ite
per-
indicates one more oxygen atom than oxyanion ending in -ate
hypo-
indicates one oxygen atom fewer than the oxyanion ending in -ite
Group 1A
Alkali Metals:
Li, Na, K, Rb, Cs, Fr
Group 2A
Alkaline Earth Metals:
Be, Mg, Ca, Sr, Ba, Ra
Group 6A
Chalcogens:
O, S, Se, Te, Po