An element "x" has atomic number 35 and number of neutron is 18. Identify the group number and peroid "x".
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atomic no. = protons + neutrons
protons = electrons = 35 - 18 = 17
group no. is 17 and 3rd period
protons = electrons = 35 - 18 = 17
group no. is 17 and 3rd period
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In electrolysis of water name the gas collected at anodeand cathode
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Answer:
We know :
Atomic number = Mass number - No. of neutrons.
Atomic number = 35 - 18
= > 17
Electronic configuration :
2 , 8 , 7
Group no. = 17
Period no. = 3
Name of element is Chlorine ( Cl ) .
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