chemistry 2

• sulfate

  SO4 2-
• nitrate

  NO3 -
• carbonate

  CO3 2-
• ammonium

  NH4 +
• hydroxide

  OH -
• oxide

  O 2-
• sulfide

  S 2-
• fluoride

  F -
• chloride

  Cl -
• Bromide

  Br -
• Iodide

  I -
• lithium ion

  Li +
• sodium ion

  Na +
• potassium ion

  K +
• rubidium ion

  Rb +
• beryllium ion

  Be 2+
• magnesium ion

  Mg 2+
• calcium ion

  Ca 2+
• boron ion

  B 3+
• aluminium ion

  Al 3+
• nitride

  N 3-
• phosphide

  P 3-
• flammable

  will catch fire
• corrosive

  will burn skin
• concentration (possible units)

  mol L-1 or M, gL-1, MgL-1
• percentage difference

  p.d.= (experimental value - theoretical value) / theoretical value * 100
• percentage change

  p.c.= (final value - initial value) / initial value *100
• strontium ion


  Sr 2+
• Sulfite


  SO3 2-
• nitride

  N 3-
• Copper (2)

  Cu 2+
• copper (1)

  Cu +
• tin

  Sn 2+
• Chromium

  Cr 3+
• zinc

  Zn 2+
• Barium

  Ba 2+
• sulfide

  s 2-