| colspan="30" |
 
| colspan="30" |
 
| {{element cell-named-zhtw|1|氫|H|1.008|6=Diatomic nonmetals}}
 
| {{element cell-named-zhtw|1|氫|H|1.008|6=Diatomic nonmetals}}
−
| {{element cell-named-zhtw|2|氦|He||6=Noble gases}}
+
| {{element cell-named-zhtw|2|氦|He|4.003|6=Noble gases}}
 
|-
 
|-
 
| colspan="30" |
 
| colspan="30" |
Fatal error: Uncaught TypeError: MWExceptionHandler::rollbackMasterChangesAndLog(): Argument #1 ($e) must be of type Exception, Error given, called in /volume1/web/wikiGrade1/includes/exception/MWExceptionHandler.php on line 137 and defined in /volume1/web/wikiGrade1/includes/exception/MWExceptionHandler.php:111 Stack trace: #0 /volume1/web/wikiGrade1/includes/exception/MWExceptionHandler.php(137): MWExceptionHandler::rollbackMasterChangesAndLog(Object(Error)) #1 [internal function]: MWExceptionHandler::handle(Object(Error)) #2 {main} thrown in /volume1/web/wikiGrade1/includes/exception/MWExceptionHandler.php on line 111