AQA GCSE CHEMISTRY 84621H Paper 1 Higher Tier Mark scheme 2022/2023 Version 1.0 Final Mark Scheme.

AQA GCSE CHEMISTRY 84621H Paper 1 Higher Tier Mark scheme 2022/2023 Version 1.0 Final Mark Scheme. Question 1 continued Question Answers Mark AO/ Spec. Ref 01.2 Level 2: Scientifically relevant features are identified; the way(s) in which they are similar/different is made clear and (where appropriate) the magnitude of the similarity/difference is noted. 4–6 AO1 4.2.1.2 4.2.1.3 4.2.1.4 Level 1: Relevant features are identified and differences noted. 1–3 No relevant content 0 Indicative content • (both) carbon dioxide and silicon dioxide are made up of atoms • (but) magnesium oxide is made up of ions • (both) silicon dioxide and magnesium oxide are giant structures • (but) carbon dioxide is small molecules • with weak intermolecular forces • all three compounds have strong bonds • (both) carbon dioxide and silicon dioxide are formed from two non-metals • (so) bonds formed are covalent • (so) electron (pairs) are shared (between atoms) • (but) magnesium oxide is formed from a metal and a non-metal • (so) bonds in magnesium oxide are ionic • (so) electrons are transferred • from magnesium to oxygen • two electrons are transferred • bonds in silicon dioxide are single bonds • (where) each silicon forms four bonds • (and) each oxygen forms two bonds • (but) in carbon dioxide the bonds are double bonds • (where) carbon forms two double bonds • (and) oxygen forms one double bond ignore properties e.g. melting point, electrical conductivity

read more

Latest Reviews

This Document does not have reviews, purchase to review

$4.00

  1. 100% Money Back Guarantee
  2. Immediately available after payment
  3. Both online and in PDF format
  4. Secure Payment Gateway

visibility
53
download
0
Details
  • Pages 31
  • Category Exam Elaboration
  • School / University Harvard University
  • Course Nursing
  • Course Level University level
  • Year 2022
  • Keywords AQA GCSE CHEMISTRY 84621H Paper 1 Higher Tier Mark scheme 2022/2023 Version 1.0 Final Mark Scheme, AQA GCSE CHEMISTRY 84621H Paper 1 Higher Tier Mark scheme 2022/2023 Version 1.0 Final Mark Scheme., AQA GCSE CHEMISTRY 84621H Paper 1 Higher Tier Mark scheme 2022/2023 Version 1.0 Final Mark Scheme.
profile
DrMoraa
279 Documents uploaded.
3 Documents sold.
  •  4 Review(s)

The benefits of buying summaries with Barmerit:


Image

Guaranteed quality through customer reviews

Barmerit customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Image

Quick and easy check-out

You can quickly pay through credit card or Barmerit-credit for the summaries. There is no membership needed.

Image

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently Asked Questions

+
After you’ve finished your payment, your purchased document will be available in ‘Purchased document’ in your Docmerit account. The documents will also be sent via e-mail. Can’t find your document there right away? Be patient, because sometimes it can take a couple minutes for the document to be processed. If the document isn’t there after five minutes, you can send us a message.
+
Send us a message to support@barmerit.com and try to explain as detailed as possible what the issue is. Hopefully, we can help you out right away and you’ll have the document in no time. If you see an error, please attach a screenshot of the error to the email, so if needed our IT department can have a look at it.
+
If you would like to see the entire document, you first have to buy it. Otherwise, you will only see a couple of selected preview pages.   unanswered

Price $4.00