100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
Previously searched by you
Oxford Cambridge and RSA Examinations Higher GCSECombined Science B Twenty First Century ScienceJ260/02: Chemistry (Foundation Tier) General Certificate of Secondary Education (with marking scheme)$5.09
Add to cart
Oxford Cambridge and RSA Examinations Higher GCSECombined Science B Twenty First Century ScienceJ260/02: Chemistry (Foundation Tier) General Certificate of Secondary Education (with marking scheme)
12 views 0 purchase
Course
OCR
Institution
OCR
Oxford Cambridge and RSA Examinations Higher GCSECombined Science B Twenty First Century ScienceJ260/02: Chemistry (Foundation Tier) General Certificate of Secondary Education (with marking scheme)
Oxford Cambridge and RSA
Examinations Higher GCSECombined
Science B Twenty First Century
ScienceJ260/02: Chemistry (Foundation
Tier) General Certificate of Secondary
Education (with marking scheme)
, Oxford Cambridge and RSA
Monday 22 May 2023 – Morning
GCSE (9–1) Combined Science B
(Twenty First Century Science)
J260/02 Chemistry (Foundation Tier)
Time allowed: 1 hour 45 minutes
F
* 9 9 3 0 6 0 0 0 3 4 *
You must have:
• a ruler (cm/mm)
• the Data Sheet for GCSE (9–1) Combined Science
(Chemistry) B (inside this document)
You can use:
• an HB pencil
• a scientific or graphical calculator
* J 2 6 0 0 2 *
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 95.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 32 pages.
ADVICE
• Read each question carefully before you start your answer.
, 3
(c) The table shows the atomic number and electron arrangement of some of the elements in
Group 1 of the modern Periodic Table.
Element Atomic number Electron arrangement
Lithium 3 2.1
Sodium 11 2.8.1
Potassium 19 2.8.8.1
Which two statements explain how the reactions of lithium, sodium and potassium are
related to their electron arrangements and so to their atomic number?
Tick (3) two boxes.
The atomic number is the mass of the atom.
The atomic number is the number of electrons in the atom.
The atomic number is the number of neutrons in the atom.
The elements all have the same electron arrangement.
The elements all have the same number of electrons in their outer shell.
[2]
(d) Lithium reacts with cold water to produce hydrogen gas and a solution of lithium hydroxide.
(i) Complete the equation by adding the state symbols.
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller EdwinEdwin99. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $5.09. You're not tied to anything after your purchase.
