Physics, asked by sreyachikku123, 7 months ago

an element x has mass number 35 and number of neutrons 18 write atomic number and electronic configuration x also write group number, period number and valency of x

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Answered by ppal73921

1

Answer:

element x is chlorine

atmic number is 17

configuration 2)8)7

group 17

period 3

valency 1

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