CH-189
Formation of ions
Chemistry · Secondary 3 · Hard · Formation of ions
An atom of gains one electron to form a chloride ion.
Which statement about the chloride ion is correct?
Which statement about the chloride ion is correct?
- It has 17 protons, 18 electrons and charge −1.
- It has 18 protons, 17 electrons and charge +1.
- It has 17 protons, 16 electrons and charge +1.
- It has 18 protons, 18 electrons and charge 0.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.