CBSE Class 7 Answered
An element Y that has 17 protons and 17 electrons. It gains one electron to form an ion. What will be the charge on the ion? Write the number of protons and electrons in Y.
Asked by eshaa.guppta | 15 Sep, 2021, 08:09: AM
Expert Answer
Element Y has atomic number 17. It contains 17 protons and 17 electrons.
Element Y- is formed when Y gains one electron.
So, Y- has 18 electrons and 17 protons.
Answered by Ramandeep | 15 Sep, 2021, 06:50: PM
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