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DistanceLearningCentre.comSTUDENT ASSESSMENT TAQ SHEET
COURSE: Access to Higher Education Diploma
SUBJECT: Chemistry
UNIT TITLE: Introduction to Chemistry
LEVEL: 3 (Ungraded)
CREDITS: 3
How to use this document
This document contains your Tutor Assessed Questions (TAQs) for this assessment, as well
as information about formatting your work (including word counts and references) and
deadlines. Although this is an ungraded assessment, we have also included indicative grade
descriptors so that you can begin to familiarise yourself with them.
Do not attempt to fill in this document. Please use the related Student Assessment
Answer Sheet to answer your TAQs.
Further resources:
You will need to be logged in to your Learner Account to access
these resources.
We advise that you check the Ascentis Subject Set Unit
Specifications – Chemistry for the ‘indicative content’ of the
unit, as this may help you to understand how you could
meet specific assessment criteria
Student Handbook
Library: Log in to your Learner Account and click on ‘Library’ to
view various resources to help you with your learning.
You will need to be logged in to your Learner Account to access
these resources, which also require a password:
Study Skills - How to make sure your work is ‘Ready for
Marking’
© DistanceLearningCentre.com, 2022 1
, IMPORTANT NOTE:
The podcasts in this unit are essential reading / listening in
order to complete this unit, please use them fully
Read through all the instructions below before you begin to
write anything.
We have produced a podcast to help you understand the
questions which can be accessed below:
YouTube Podcast giving extra help with your assessment
(You can find the Podcast transcript in the Appendix at the end of
this document)
© DistanceLearningCentre.com, 2022 2
, Course: Access to Higher Education Diploma
Subject: Chemistry
Unit title: Introduction to Chemistry
Level: 3 (Ungraded)
STUDENT ASSESSMENT TAQ SHEET
TAQs for this unit
Your Tutor Assessed Questions (TAQs) for this unit are shown below.
INTRODUCTION The objective of this assessment is to give you an overview of
Chemistry and to help you understand the key concepts you will use
throughout the course.
NOTE:
Read through all the instructions below before you begin to
write anything, including the information on your Student
Assessment Answer Sheet.
TAQ 1:
Assessment criterion 1.1
Data Table 1 below shows successive ionisation energies (IE) for
sodium and Data Table 2 shows first ionisation energies across
Period 3 (from sodium to chlorine). Use the data in these Tables to
answer the following questions.
a) Use the data in Table 1 to explain how it shows the presence of
electron energy levels in sodium. You may want to write out the
full electronic structure of sodium to help you and you should
discuss factors that influence the jumps in successive IE evident.
Table 1: Successive ionisation energy data for Sodium
Successive IE Energy (kJ per Successive IE Energy (kJ per
mole) mole)
1 494 7 20117
2 4562 8 25496
3 6910 9 28932
4 9543 10 141362
5 13354 11 159076
6 16613
b) Explain how the data in Table 2 shows the presence of sub-
energy levels (e.g., s, p, or d orbitals) in the electronic structure of
elements in Period 3. Again, you may want to write out the full
electronic structure of atoms that you refer to and you should
discuss factors that influence the changes in first IE.
You should consider the following in your answer:
© DistanceLearningCentre.com, 2022 3
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