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Title: Atomic Structure and Bonding Questions & Answers - GCSE Revision
Description: 4 in-depth GCSE revision questions with the answers - great for Chemistry revision or revision in general about Atomic Structure and Bonding.
Description: 4 in-depth GCSE revision questions with the answers - great for Chemistry revision or revision in general about Atomic Structure and Bonding.
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Atomic Structure and Bonding
minutes
marks
Page 1 of 9
Q1
...
Use the periodic table on the data sheet to help you to answer these questions
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(i)
Why are potassium and sodium in the same Group of the periodic table?
...
(1)
(ii)
How many protons are in an atom of sodium?
...
How many neutrons are in an atom of sodium with mass number 23?
...
Complete the electronic structure of sodium
...
2Na + Cl2 → 2NaCl
Describe this reaction of sodium in terms of the names of the substances and the
numbers of the atoms involved
...
...
...
...
There are millions of different substances that make up our world
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(a)
What is an element?
...
...
(1)
(b)
Many substances are compounds
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...
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Carbon is an important element in maintaining life
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Include the correct names of the particles
...
Atomic number
...
(2)
Page 3 of 9
(c)
Describe the process in which carbon is cycled through the air, plants, animals and
microbes
...
...
...
...
...
...
...
Lithium has an electronic configuration of 2, 1
...
Describe how both lithium and fluorine form ions to make lithium fluoride
...
...
...
...
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(a)
(i)
both have one / 1 electron in the outer energy level / shell
allow both react in a similar way
1
(ii)
eleven / 11
1
(iii)
twelve / 12
1
(iv)
(2x)
max 1 if candidate changes the number of electrons in the first
energy level / shell
8x (in second energy level / shell)
1
1x (in outer energy level / shell)
1
(b)
two sodium atoms (react)
1
two (bonded) chlorine atoms (react)
allow one chlorine molecule (reacts)
1
two sodium ions and two chloride ions (are produced)
allow two molecules of sodium chloride (are produced) or two
sodium chloride particles (are produced)
1
[8]
M2
...
(a)
6 electrons in two orbitals, 2 in inner, 4 in outer
1
nucleus identified, containing
1
6 protons
1
6 neutrons
1
(b)
atomic number 6
allow ecf from diagram
1
mass number 12
1
(c)
CO2 in atmosphere to carbon in plants by photosynthesis
some or all of these points may be shown in a diagram
1
carbon from plants into animals (feeding)
1
carbon from plants and animals into atmosphere as CO2
by respiration or microbes respire, releasing CO2 into
atmosphere
1
plants / animals die and are decayed by microbes
accept decomposers for microbes
1
deforestation or CO2 into atmosphere by burning trees
or burning of fossil fuels releases CO2 into atmosphere
1
[11]
Page 7 of 9
M4
Title: Atomic Structure and Bonding Questions & Answers - GCSE Revision
Description: 4 in-depth GCSE revision questions with the answers - great for Chemistry revision or revision in general about Atomic Structure and Bonding.
Description: 4 in-depth GCSE revision questions with the answers - great for Chemistry revision or revision in general about Atomic Structure and Bonding.