Class: Science_Chemistry_Element

Source Location: /Science_Chemistry-1.1.2/Science/Chemistry/Element.php

Class Overview

Utility class that defines a chemical element object

Author(s):

Jesus M. Castagnetto <jmcastagnetto at php.net>

Version:

Variables

Methods

Inherited Variables

Inherited Methods

Class Details

[line 30]
Utility class that defines a chemical element object

Author: Jesus M. Castagnetto <jmcastagnetto@php.net>
Version: 1.0
Access: public

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Class Variables

$boiling_point =

[line 78]

Element's boiling point, with comments

Access: public

Type:

string

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$family =

[line 86]

Element's family

Access: public

Type:

string

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$melting_point =

[line 70]

Element's melting point, with comments

Access: public

Type:

string

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$name =

[line 46]

Element's name

Access: public

Type:

string

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$number =

[line 54]

Element's atomic number

Access: public

Type:

integer

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$symbol =

[line 38]

Element's symbol, one or two characters, case sensitive

Access: public

Type:

string

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$weight =

[line 62]

Element's atomic weight in a.m.u (atomic mass units)

Access: public

Type:

float

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Method Detail

Science_Chemistry_Element (Constructor) [line 101]

object Science_Chemistry_Element Science_Chemistry_Element(
string
$sym, string
$name, integer
$num, float
$wgt, string
$mp, string
$bp, string
$fam)

Constructor for the class

Access: public

Parameters:

string	`$sym`	—	element symbol
string	`$name`	—	element name
integer	`$num`	—	atomic number
float	`$wgt`	—	atomic weight
string	`$mp`	—	melting point (with comments)
string	`$bp`	—	boiling point (with comments)
string	`$fam`	—	family

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isElement [line 118]

boolean isElement(
object Science_Chemistry_Element
$obj)

Checks if an object is a Science_Chemistry_Element instance

Access: public

Parameters:

object Science_Chemistry_Element $obj —

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