Class: LittleElementor::Element

Inherits:
Object
  • Object
show all
Includes:
Helpers
Defined in:
lib/little_elementor.rb

Constant Summary

Constants included from Helpers

Helpers::ELEMENTS, Helpers::L, Helpers::PERIODS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helpers

#get_c_e_c, #get_e_c, #get_group, #get_name

Constructor Details

#initialize(opts) ⇒ Element

Returns a new instance of Element.



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# 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

Instance Attribute Details

#atomic_numberObject (readonly)

Returns the value of attribute atomic_number.



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# File 'lib/little_elementor.rb', line 8

def atomic_number
  @atomic_number
end

#chargeObject (readonly)

Returns the value of attribute charge.



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# File 'lib/little_elementor.rb', line 8

def charge
  @charge
end

#groupObject (readonly)

Returns the value of attribute group.



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# File 'lib/little_elementor.rb', line 8

def group
  @group
end

#is_nobel_gasObject (readonly)

Returns the value of attribute is_nobel_gas.



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# File 'lib/little_elementor.rb', line 8

def is_nobel_gas
  @is_nobel_gas
end

#nameObject (readonly)

Returns the value of attribute name.



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# File 'lib/little_elementor.rb', line 8

def name
  @name
end

#periodObject (readonly)

Returns the value of attribute period.



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# File 'lib/little_elementor.rb', line 8

def period
  @period
end

#symbolObject (readonly)

Returns the value of attribute symbol.



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# File 'lib/little_elementor.rb', line 8

def symbol
  @symbol
end

Instance Method Details

#compressed_electron_configurationObject



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# 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) ⇒ Object



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# File 'lib/little_elementor.rb', line 25

def electron_configuration(sorted: true)
  get_e_c(sorted)
end

#human_friendly_c_e_cObject



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# 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_sObject



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# 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