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The Periodic Table Flashcards | StudBud
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The Periodic Table
The Periodic Table
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NEW AQA C2
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Why is potassium more reactive than sodium?
More shells = more shielding
All of the above
Nucleus becomes more positive
Outer electron further from nucleus
2
What happens in a displacement reaction?
A less reactive halogen pushes out a more reactive one
Halogens react together to form a stable compound
A more reactive halogen pushes out a less reactive one
3
What type of ions do group 1 elements form?
-1
+1
+2
-2
4
What are the 3 things you would see when group 1 metals react with water?
oxygen, loud bang, metal dissolves
carbon dioxide produced, flames, precipitate
fizzing, metal dissolves, universal indicator goes red
fizzing, metal dissolves, universal indicator goes blue
5
How are the elements in the periodic table arranged?
Mass number
Neutron number
Electron number
Atomic number
6
How many electrons are in the outer shell of sodium?
1
3
8
7
7
Fluorine, Chlorine and Bromine are part of what group on the periodic table?
8
1
7
4
8
What type of elements gain electrons?
Metals
Non-metals
Solids
Gases
9
What is a vertical column known as?
Series
Row
Period
Group
10
Why are the noble gases unreactive?
Full outer shell
They are gases
They are non-metals
11
What happens to the amount of shells as you go down a group?
Increases
Decreases
Stays the same
12
When potassium bromide and fluorine react together, what is produced?
Potassium + fluorine + bromine
No reaction
Potassium fluoride + bromine
Potassium bromofluoride
13
What happens to the melting and boiling points of the elements as you go down group 7?
Increase
Decrease
14
What happens to the melting and boiling points of the Group 1 metals as you go down the group?
Increase
Decrease
15
How does the colour of the Group 7 elements change as you go down the group?
Get darker
Stay the same
Get lighter
16
What gas is produced when Group 1 metals react with water?
Carbon dioxide
Oxygen
Nitrogen
Hydrogen
17
What does the group number tell you?
Number of protons
Number of electrons
Number of protons and neutrons
Number of electrons in outer shell
18
What type of ions do group 7 elements form?
+2
+1
-1
-2
19
What do the alkali metals react with to produce a metal hydroxide?
water
air
hydrogen
20
Which scientist came up with the concept of the Periodic Table?
Einstein
Brian Cox
Mendeleev
Antoine Lavoisier
21
Why are elements placed in the same group?
same number of shells
similar physical properties
same state of matter
similar chemical properties
22
How many electrons do the noble gases have in their outer shell?
8
1
7
2
23
How does the reactivity of the halogens change as you go down the group?
Decreases
Increases
Stays the same
24
How many electrons are in the outer shell of fluorine?
3
2
7
1
25
The most reactive family of metals is the?
Transition metals
Halogens
Alkali metals
Noble gases
26
Where are the metals found on the periodic table?
Left
Right
27
What colour flame does potassium produce?
lilac
red
green
yellow
28
How does the reactivity of Group 1 change as you go down the group?
Decreases
Increases
Stays the same
29
The horizontal rows of the periodic table are known as?
groups
periods
series
rows
30
What type of elements lose electrons?
Non-metals
Metals
Liquids
Gases
