---
title: A sugar molecule has 45 atoms. Which atoms are they? — Molecules: when atoms join up · tree and pragmatics
description: A sugar molecule has 45 atoms. Which atoms are they? Test 10 · ★ of lesson 3 «Molecules: when atoms join up» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 10 · ★ · Molecules: when atoms join up

<!-- .ven lang=en -->
A sugar molecule has 45 atoms. Which atoms are they?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** sugar molecule, atoms · **What happens:** have, be · **To what, where:** 45 atoms, atoms

<!-- .vabout -->
This is test 10 · ★ of lesson 3 «Molecules: when atoms join up» of the chemistry course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/chemistry/3-molecules-when-atoms-join-up/#t10).

## The question {#question}

<!-- .note -->
*Sentence 1:* A sugar molecule has 45 atoms.

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t10:1
# text = A sugar molecule has 45 atoms.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	sugar	sugar	NOUN	NN	Number=Sing	3	compound	_	_
3	molecule	molecule	NOUN	NN	Number=Sing	4	nsubj	_	_
4	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	45	45	NUM	CD	NumForm=Digit|NumType=Card	6	nummod	_	_
6	atoms	atom	NOUN	NNS	Number=Plur	4	obj	_	SpaceAfter=No
7	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | a sugar molecule | 45 atoms |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent atom=Patient |

<!-- .note -->
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.

<!-- .note -->
*Sentence 2:* Which atoms are they?

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t10:2
# text = Which atoms are they?
1	Which	which	DET	WDT	PronType=Int	2	det	_	_
2	atoms	atom	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	0	root	_	SpaceAfter=No
5	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | which atoms | atoms *= atom* |  |  |  |  | tree rules |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Sodium and chlorine, like salt

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t10:o1:1
# text = Sodium and chlorine, like salt
1	Sodium	sodium	NOUN	NN	Number=Sing	0	root	_	_
2	and	and	CCONJ	CC	_	3	cc	_	_
3	chlorine	chlorine	NOUN	NN	Number=Sing	1	conj	_	SpaceAfter=No
4	,	,	PUNCT	,	_	6	punct	_	_
5	like	like	ADP	IN	_	6	case	_	_
6	salt	salt	NOUN	NN	Number=Sing	1	conj	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Carbon, hydrogen and oxygen

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t10:o2:1
# text = Carbon, hydrogen and oxygen
1	Carbon	carbon	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
2	,	,	PUNCT	,	_	3	punct	_	_
3	hydrogen	hydrogen	NOUN	NN	Number=Sing	1	conj	_	_
4	and	and	CCONJ	CC	_	5	cc	_	_
5	oxygen	oxygen	NOUN	NN	Number=Sing	1	conj	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
Iron, oxygen and a little sulphur

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t10:o3:1
# text = Iron, oxygen and a little sulphur
1	Iron	iron	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
2	,	,	PUNCT	,	_	3	punct	_	_
3	oxygen	oxygen	NOUN	NN	Number=Sing	1	conj	_	_
4	and	and	CCONJ	CC	_	7	cc	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	little	little	ADJ	JJ	Degree=Pos	7	amod	_	_
7	sulphur	sulphur	NOUN	NN	Number=Sing	1	conj	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 {#o4}

<!-- .ven lang=en -->
Only carbon, packed in a ring

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t10:o4:1
# text = Only carbon, packed in a ring
1	Only	only	ADV	RB	_	2	advmod	_	_
2	carbon	carbon	NOUN	NN	Number=Sing	4	nsubj	_	SpaceAfter=No
3	,	,	PUNCT	,	_	2	punct	_	_
4	packed	pack	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	ring	ring	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pack** | participle | carbon |  |  | a ring |  |  | vn spray-9.7-1-1 «NP V PP.destination»: agent=Theme in ring=Destination |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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