Unhexennium

An adless, open-source & featureful chemistry calculator app, named after the 169th element of the periodic table.

It contains data about elements, molecules and ionic compounds; includes an equation balancer and a set of tools for mass <-> mole conversions and ideal gas calculations.

Features

Element

• Locate elements in the periodic table, or search by name or
• Get basic information about the element:
  • chemical symbol
  • atomic number
  • relative atomic mass
  • electronegativity
  • electron configuration (abbreviated + box and arrow)
  • common oxidation states and ions

Chemical formula

• You can build your own formula, or select one from the 2000+ saved ones
• Information displayed:
  • name(s)
  • relative formula mass
  • empirical formula
  • percentage by mass of the constituent atoms
  • oxidation states of the constituent atoms
  • bond type
• Calculations available:
  • mass / mole
  • ideal gas (PV = nRT)

Chemical equation

• You can easily add molecules / ions from the formula tab
• The equations are balanced live (charges and redox reactions are supported)
• Information includes:
  • mass / mole calculations
  • limiting reactant
  • atom economy