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GCSE
Gcse Chemistry
Periodic Table - Group 7 Elements
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Q.1
How many electrons are in the outer shell of the group 7 elements?
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7
0%
8
0%
1
0%
2
Q.2
What type of bonds do group 7 elements form?
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Ionic and covalent
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Covalent only
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Metallic and covalent
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Hydrogen and metallic
Q.3
Choose the correct order from top to bottom of group 7.
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F, Br, I, At, Cl
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At, I, Br, Cl, F
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F, Cl, Br, I, At
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Br, Cl, I, At, F
Q.4
Halogens exist as molecules made up of pairs of atoms, joined together by covalent bonds. These molecules are known as...
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Joined
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Biatomic
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Double
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Diatomic
Q.5
Reactivity of the elements in group 7 decreases down the group. This is because...
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There are more electrons in the outer shell
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The electrons in the outer shell are further away from the nucleus
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The electrons are closer to the nucleus
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There are more electrons in the atom
Q.6
Group 7 elements are also known as...
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Alkali metals
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Halogens
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Transition elements
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Noble gases
Q.7
Halogens all react with metals. How many electrons do they gain when they undergo this type of reaction?
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2
0%
3
0%
7
0%
1
Q.8
Group 7 elements only form what type of ion?
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1+
0%
7-
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1-
0%
2-
Q.9
Bromine displaces iodine from solution because...
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Iodine is more reactive than bromine
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Bromine is more reactive than iodine
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Bromine is a smaller atom
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Iodine has more electrons than bromine
Q.10
Iodine is...
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a pale yellow gas
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a dense green gas
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a dark grey crystalline solid
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a dark orange-brown solid
0 h : 0 m : 1 s
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