Talk:Poison gas
Latest comment: 7 years ago by Macdonald-ross in topic Grammar note
Grammar note change
You can say "release the fluoride ion" or "release fluoride ions". Both are correct grammar. In the first case 'fluoride ion' is used in a generic sense, which is signalled by the definite article 'the'. Macdonald-ross (talk) 08:21, 30 August 2016 (UTC)