chem

function main()
  display()
  input = read()
  if input == "Hydrogen" then
    hydrogen()
  elseif input == "hydrogen" then
    hydrogen()
  elseif input == "H" then
    hydrogen()
  elseif input == "Helium" then
    helium()
  elseif input == "helium" then
    helium()
  elseif input == "He" then
    helium()
  elseif input == "Lithium" then
    lithium()
  elseif input == "litium" then
    lithium()
  elseif input == "Li" then
    lithium()
  elseif input == "Beryllium" then
    beryllium()
  elseif input == "beryllium" then
    beryllium()
  elseif input == "Be" then
    beryllium()
  elseif input == "Boron" then
    boron()
  elseif input == "boron" then
    boron()
  elseif input == "B" then
    boron()
  elseif input == "Carbon" then
    carbon()
  elseif input == "carbon" then
    carbon()
  elseif input == "C" then
    carbon()
  elseif input == "Nitrogen" then
    nitrogen()
  elseif input == "nitrogen" then
    nitrogen()
  elseif input == "N" then
    nitrogen()
  elseif input == "Oxygen" then
    oxygen()
  elseif input == "oxygen" then
    oxygen()
  elseif input == "O" then
    oxygen()
  elseif input == "Fluorine" then
    fluorine()
  elseif input == "fluorine" then
    fluorine()
  elseif input == "F" then
    fluorine()
  elseif input == "Neon" then
    neon()
  elseif input == "neon" then
    neon()
  elseif input == "Ne" then
    neon()
  elseif input == "Sodium" then
    sodium()
  elseif input == "sodium" then
    sodium()
  elseif input == "Na" then
    sodium()
  elseif input == "Magnesium" then
    magnesium()
  elseif input == "magnesium" then
    magnesium()
  elseif input == "Mg" then
    magnesium()
  elseif input == "Aluminum" then
    aluminum()
  elseif input == "aluminum" then
    aluminum()
  elseif input == "Al" then
    aluminum()
  elseif input == "Silicon" then
    silicon()
  elseif input == "silicon" then
    silicon()
  elseif input == "Si" then
    silicon()
  elseif input == "Phosphorus" then
    phosphorus()
  elseif input == "phosphorus" then
    phosphorus()
  elseif input == "P" then
    phosphorus()
  elseif input == "Sulfur" then
    sulfur()
  elseif input == "sulfur" then
    sulfur()
  elseif input == "S" then
    sulfur()
  elseif input then
    term.clear()
    term.setCursorPos(1,1)
    print("INVALID: PLEASE TRY AGAIN...")
    sleep(2)
    main()
  end
end

function display()
  term.clear()
  term.setCursorPos(1,1)
  print("Chemistry Assistant 1.0 Alpha")
  print("")
  print("Element Name:")
  write("> ")
end

function sulfur()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Sulfur
Atomic Symbol: S
Atomic #: 16
Atomic Mass #: 32
Group: 16 (6)
Period: 3
Element Category: Other Non-Metals
Block: P-Block
Electron Configuration: [Ne], 3s^2, 3p^4
Electrons per Shell: 2,8,6
Valence Electrons: 6
]]
end

function phosphorus()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Phosphorus
Atomic Symbol: P
Atomic #: 15
Atomic Mass #: 31
Group: 15 (5)
Period: 3
Element Category: Other Non-Metals
Block: P-Block
Electron Configuration: [Ne], 3s^2, 3p^3
Electrons per Shell: 2,8,5
Valence Electrons: 5
]]
end

function silicon()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Silicon
Atomic Symbol: Si
Atomic #: 14
Atomic Mass #: 28
Group: 14 (4)
Period: 3
Element Category: Metalloids
Block: P-Block
Electron Configuration: [Ne], 3s^2, 3p^2
Electrons per Shell: 2,8,4
Valence Electrons: 4
]]
end

function aluminum()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Aluminum
Atomic Symbol: Al
Atomic #: 13
Atomic Mass #: 27
Group: 13 (3)
Period: 3
Element Category: Post-Transition Metals
Block: P-Block
Electron Configuration: [Ne], 3s^2, 3p^1
Electrons per Shell: 2,8,3
Valence Electrons: 3
]]
end

function magnesium()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Magnesium
Atomic Symbol: Mg
Atomic #: 12
Atomic Mass #: 24
Group: 2
Period: 3
Element Category: Alkaline Earth Metals
Block: S-Block
Electron Configuration: [Ne], 3s^2
Electrons per Shell: 2,8,2
Valence Electrons: 2
]]
end

function sodium()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Sodium
Atomic Symbol: Na
Atomic #: 11
Atomic Mass #: 23
Group: 1
Period: 3
Element Category: Alkali Metals
Block: S-Block
Electron Configuration: [Ne], 3s^1
Electrons per Shell: 2,8,1
Valence Electrons: 1
]]
end

function neon()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Neon
Atomic Symbol: Ne
Atomic #: 10
Atomic Mass #: 20
Group: 18 (8)
Period: 2
Element Category: Noble Gasses
Block: P-Block
Electron Configuration: [He], 2s^2, 2p^6; [Ne]
Electrons per Shell: 2,8
Valence Electrons: 8
]]
end

function fluorine()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Fluorine
Atomic Symbol: F
Atomic #: 9
Atomic Mass #: 19
Group: 17 (7)
Period: 2
Element Category: Other Non-Metals
Block: P-Block
Electron Configuration: [He], 2s^2, 2p^5
Electrons per Shell: 2,7
Valence Electrons: 7
]]
end

function oxygen()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Oxygen
Atomic Symbol: O
Atomic #: 8
Atomic Mass #: 16
Group: 16 (6)
Period: 2
Element Category: Other Non-Metals
Block: P-Block
Electron Configuration: [He], 2s^2, 2p^4
Electron(s) per Shell: 2,6
Valence Electron(s): 6
]]
end

function nitrogen()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Nitrogen
Atomic Symbol: N
Atomic #: 7
Atomic Mass #: 14
Group: 15 (5)
Period: 2
Element Category: Other Non-Metals
Block: P-Block
Electron Configuration: [He], 2s^2, 2p^3
Electron(s) per Shell: 2,5
Valence Electron(s): 5
]]
end

function carbon()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Carbon
Atomic Symbol: C
Atomic #: 6
Atomic Mass #: 12
Group: 14 (4)
Period: 2
Element Category: Other Non-Metals
Block: P-Block
Electron Configuration: [He], 2s^2, 2p^2
Electron(s) per Shell: 2,4
Valence Electron(s): 4
]]
end

function boron()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Boron
Atomic Symbol: B
Atomic #: 5
Atomic Mass #: 11
Group: 13 (3)
Period: 2
Element Category: Metalloids
Block: P-Block
Electron Configuration: [He], 2s^2, 2p^1
Electron(s) per Shell: 2,3
Valence Electron(s): 3
]]
end

function beryllium()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Beryllium
Atomic Symbol: Be
Atomic #: 4
Atomic Mass #: 9
Group: 2
Period: 2
Element Category: Alkaline Earth Metals
Block: S-Block
Electron Configuration: [He], 2s^2
Electron(s) per Shell: 2,2
Valence Electron(s): 2
]]
end

function lithium()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Lithium
Atomic Symbol: Li
Atomic #: 3
Atomic Mass #: 7
Group: 1
Period: 2
Element Category: Alkali Metals
Block: S-Block
Electron Configuration: [He], 2s^1
Electron(s) per Shell: 2,1
Valence Electron(s): 1
]]
end

function helium()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Helium
Atomic Symbol: He
Atomic #: 2
Atomic Mass #: 4
Group: 18
Period: 1
Element Category: Noble Gasses
Block: S-Block
Electron Configuration: 1s^2; [He]
Electron(s) per Shell: 2
Valence Electron(s): 2
]]
end

function hydrogen()
term.clear()
term.setCursorPos(1,1)
print[[
Atomic Name: Hydrogen
Atomic Symbol: H
Atomic #: 1
Atomic Mass #: 1
Group: 1
Period: 1
Element Category: Diatomic Non-Metals
Block: S-Block
Electron Configuration: 1s^1
Electron(s) per Shell: 1
Valence Electron(s): 1
]]
end

main()