Multiple Choice
How many elements belong to the halogen family on the periodic table, and which of the following lists correctly identifies their chemical symbols?
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Periodic Table: Group Names
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What do the noble gases have in common with the halogens? Both noble gases and halogens are:
A
highly reactive elements
B
found in the p-block of the periodic table
C
good conductors of electricity
D
metals
Verified step by step guidance1
Recall the position of noble gases and halogens in the periodic table. Both groups are located in the p-block, which consists of groups 13 to 18.
Understand the properties of noble gases: they are inert or very low in reactivity and are found in group 18 of the p-block.
Understand the properties of halogens: they are highly reactive nonmetals found in group 17 of the p-block.
Compare the options given: 'highly reactive elements' applies only to halogens, not noble gases; 'good conductors of electricity' and 'metals' do not apply to either group as both are nonmetals.
Conclude that the common feature between noble gases and halogens is that they are both found in the p-block of the periodic table.
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