class LittleElementor::Element

Attributes

atomic_number[R]
charge[R]
group[R]
is_nobel_gas[R]
name[R]
period[R]
symbol[R]

Public Class Methods

new(opts) click to toggle source
# File lib/little_elementor.rb, line 9
def initialize(opts)
  opts = opts.has_key?(:charge) ? opts : opts.merge({:charge => 0})
  @charge = opts[:charge]
  if opts.has_key?(:atomic_number)
    @atomic_number = opts[:atomic_number] + @charge
    @symbol = LittleElementor::Helpers::ELEMENTS[@atomic_number-1][:sym]
  elsif opts.has_key?(:symbol)
    @atomic_number = LittleElementor::Helpers::ELEMENTS.find_index{|i| i[:sym] == opts[:symbol]} + 1
    @symbol = opts[:symbol]
  end
  @group = @atomic_number == 2 ? 18 : get_group()
  @is_nobel_gas = @group == 18
  @name = get_name()
  @period = electron_configuration.map(&:n).max
end

Public Instance Methods

compressed_electron_configuration() click to toggle source
# File lib/little_elementor.rb, line 33
def compressed_electron_configuration
  if @compressed_electron_configuration
    @compressed_electron_configuration
  else
    @compressed_electron_configuration = get_c_e_c()
  end
end
electron_configuration(sorted: true) click to toggle source
# File lib/little_elementor.rb, line 25
def electron_configuration(sorted: true)
  get_e_c(sorted)
end
human_friendly_c_e_c() click to toggle source
# File lib/little_elementor.rb, line 41
def human_friendly_c_e_c
  sym = @period == 1 ? "" : "[#{compressed_electron_configuration[0].symbol}] "
  "#{sym}#{compressed_electron_configuration[1].map(&:to_s).join ", "}"
end
to_s() click to toggle source
# File lib/little_elementor.rb, line 29
def to_s
  "Compressed Electron Configuration: #{human_friendly_c_e_c}\nSymbol: #{@symbol}\nis a noble gas?: #{@is_nobel_gas}\ncharge: #{@charge}\nname: #{@name}\natomic_number #{@atomic_number}\nsorted electron configuration: #{electron_configuration.map(&:to_s)}\nelectron configuration: #{electron_configuration(sorted: false).map(&:to_s)}\nperiod: #{@period}\ngroup: #{@group}"
end