--- title: A molecule is a group of atoms joined together; a water molecule (H2… — Molecules: when atoms join up · tree and pragmatics description: A molecule is a group of atoms joined together; a water molecule (H2O) is two hydrogen atoms joined to one oxygen atom. Who acts: molecule, water molecule. A sentence of the lesson «Molecules: when atoms join up» of the chemistry course of Mova's primary school with its dependency tree and the pragm --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/chemistry/3-molecules-when-atoms-join-up/5/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Chemistry](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/) / [Molecules: when atoms join up](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/3-molecules-when-atoms-join-up/) / 5 # Molecules: when atoms join up, sentence 5 A molecule is a group of atoms joined together; a water molecule (H2O) is two hydrogen atoms joined to one oxygen atom. **Who acts:** molecule, water molecule · **What happens:** be, join · **To what, where:** group, atoms, two hydrogen atoms This is a sentence of the lesson «Molecules: when atoms join up» of the chemistry course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (molecule, water molecule), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:chemistry:003-molecules-when-atoms-join-up.lesson:5 # text = A molecule is a group of atoms joined together; a water molecule (H2O) is two hydrogen atoms joined to one oxygen atom. # source = school lesson (ours) # course = chemistry # lesson = 003-molecules-when-atoms-join-up.lesson # annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R7-rel-agree ×1, R8-pos-agree ×1 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 molecule molecule NOUN NN Number=Sing 5 nsubj _ _ 3 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 5 cop _ _ 4 a a DET DT Definite=Ind|PronType=Art 5 det _ _ 5 group group NOUN NN Number=Sing 0 root _ _ 6 of of ADP IN _ 7 case _ _ 7 atoms atom NOUN NNS Number=Plur 5 nmod _ _ 8 joined join VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 7 acl _ Agree=R5-strong|Haiku=5:acl 9 together together ADV RB _ 8 advmod _ _ 10 ; ; PUNCT , _ 20 punct _ _ 11 a a DET DT Definite=Ind|PronType=Art 13 det _ _ 12 water water NOUN NN Number=Sing 13 compound _ _ 13 molecule molecule NOUN NN Number=Sing 20 nsubj _ _ 14 ( ( PUNCT -LRB- _ 15 punct _ _ 15 H2O H2O NOUN NN Number=Sing 13 appos _ Agree=R8-pos-agree|Haiku=13:appos|HaikuPos=PROPN:NNP:Number=Sing 16 ) ) PUNCT -RRB- _ 15 punct _ _ 17 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 20 cop _ _ 18 two two NUM CD NumForm=Word|NumType=Card 20 nummod _ _ 19 hydrogen hydrogen NOUN NN Number=Sing 20 compound _ _ 20 atoms atom NOUN NNS Number=Plur 5 parataxis _ Agree=R7-rel-agree|Haiku=5:conj 21 joined join VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 20 acl _ _ 22 to to ADP IN _ 25 case _ _ 23 one one NUM CD NumForm=Word|NumType=Card 25 nummod _ _ 24 oxygen oxygen NOUN NN Number=Sing 25 compound _ _ 25 atom atom NOUN NN Number=Sing 21 obl _ _ 26 . . PUNCT . _ 5 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is a** | present | a molecule | a group | | | | of atoms | tree rules | | 2 | **join** | participle | | atoms *not said here* | | | | together *property* | vn mix-22.1-2-1 «NP V»: agent=Patient | | 3 | **is a** | present | a water molecule | two hydrogen atoms | | | | | tree rules | | 4 | **join** | participle | | two hydrogen atoms *not said here* | | | | to one oxygen atom | vn mix-22.1-2-1 «NP V PP.patient»: agent=Patient to atom=Co-Patient | One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree. **Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:chemistry:003-molecules-when-atoms-join-up.lesson:5`. **The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R7-rel-agree ×1, R8-pos-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence. See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Molecules: when atoms join up, 4](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/3-molecules-when-atoms-join-up/4/) - next →: [Molecules: when atoms join up, 7](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/3-molecules-when-atoms-join-up/7/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/3-molecules-when-atoms-join-up/)