if element 17 in a halogen where you would expect to find element 18?
回答 (5)
2016-02-26 3:14 pm
If element 17 is a halogen, element 18 is expected to be a noble gas.
This is because in the Periodic Table, a halogen is followed by a noble gas.
This is because in the Periodic Table, a halogen is followed by a noble gas.
2016-02-27 11:28 am
As atomic number 17 is halogen seats in group 7A in periodic table, the next element 18 is in group 8 as a inert or noble gas, which has 8 electron in it's outermost orbit.
2016-02-26 4:27 pm
In the noble gases.
Atomic (Element) No. 17 is Chlorine(Cl)
Atomic (element) No. 18 is Argon (Ar)
Atomic (Element) No. 17 is Chlorine(Cl)
Atomic (element) No. 18 is Argon (Ar)
2016-02-26 3:18 pm
inert gas group
2016-02-26 3:13 pm
Noble gas
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