20:40 Vo) Vo) 4G LTE LTE2 43% i < physical sciences p... ✓ a Copyright reserved PHYSICAL SCIENCES P2 Please turn over 7/20 (EC/NOVEMBER 2020) QUESTION 4 Below is the Aufbau diagram of an unknown atom. Study the diagram and answer the following questions. 3s 2p 25 1s 4.1 Define the term atomic number. Use the Aufbau diagram of an unknown atom above to answer the following questions. 4.2 In which group and period is the atom in the diagram above? 4.3 Represent the atom in the diagram using 4X notation. 4.4 How will the neutrality of the above atom change if it loses electron(s)? 4.5 Write down the sp notation of an ion for the atom represented by the Aufbau diagram above. 4.6 What will happen to the number of protons if the above atom loses electron(s) to become an ion? Write down INCREASE, DECREASE or UNCHANGED. Copyright reserved (EC/NOVEMBER 2020) PHYSICAL SCIENCES P2 (1) (2) 8 སེང་སེ (1) [9] Please turn over 8/20 QUESTION 5 Study the following table of elements with the first ionisation energy values in kJ.mol and answer the questions that follow. ELEMENT Li Be B C N FIRST IONISATION ENERGY (KJ.MOL) 520 899 801 1 086 1402

Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter2: Atoms, Molecules, And Ions
Section: Chapter Questions
Problem 10E: In what way are isotopes of a given element always different? In what way(s) are they always the...
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Question
20:40
Vo)
Vo) 4G
LTE LTE2 43% i
< physical sciences p... ✓ a
Copyright reserved
PHYSICAL SCIENCES P2
Please turn over
7/20
(EC/NOVEMBER 2020)
QUESTION 4
Below is the Aufbau diagram of an unknown atom. Study the diagram and answer
the following questions.
3s
2p
25
1s
4.1 Define the term atomic number.
Use the Aufbau diagram of an unknown atom above to answer the following
questions.
4.2 In which group and period is the atom in the diagram above?
4.3
Represent the atom in the diagram using 4X notation.
4.4 How will the neutrality of the above atom change if it loses electron(s)?
4.5
Write down the sp notation of an ion for the atom represented by the
Aufbau diagram above.
4.6 What will happen to the number of protons if the above atom loses electron(s)
to become an ion?
Write down INCREASE, DECREASE or UNCHANGED.
Copyright reserved
(EC/NOVEMBER 2020)
PHYSICAL SCIENCES P2
(1)
(2)
8 སེང་སེ
(1)
[9]
Please turn over
8/20
QUESTION 5
Study the following table of elements with the first ionisation energy values in
kJ.mol and answer the questions that follow.
ELEMENT
Li
Be
B
C
N
FIRST IONISATION ENERGY (KJ.MOL)
520
899
801
1 086
1402
Transcribed Image Text:20:40 Vo) Vo) 4G LTE LTE2 43% i < physical sciences p... ✓ a Copyright reserved PHYSICAL SCIENCES P2 Please turn over 7/20 (EC/NOVEMBER 2020) QUESTION 4 Below is the Aufbau diagram of an unknown atom. Study the diagram and answer the following questions. 3s 2p 25 1s 4.1 Define the term atomic number. Use the Aufbau diagram of an unknown atom above to answer the following questions. 4.2 In which group and period is the atom in the diagram above? 4.3 Represent the atom in the diagram using 4X notation. 4.4 How will the neutrality of the above atom change if it loses electron(s)? 4.5 Write down the sp notation of an ion for the atom represented by the Aufbau diagram above. 4.6 What will happen to the number of protons if the above atom loses electron(s) to become an ion? Write down INCREASE, DECREASE or UNCHANGED. Copyright reserved (EC/NOVEMBER 2020) PHYSICAL SCIENCES P2 (1) (2) 8 སེང་སེ (1) [9] Please turn over 8/20 QUESTION 5 Study the following table of elements with the first ionisation energy values in kJ.mol and answer the questions that follow. ELEMENT Li Be B C N FIRST IONISATION ENERGY (KJ.MOL) 520 899 801 1 086 1402
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