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Chemistry 5070 · Cambridge (CAIE) O Level
Ions and Charges
2 past-paper questions on Ions and Charges · examined 2022–2022.
20222 questions
5070/21 · M/J · Q1(e) [1]Sign up to mark my answer →
State which compound contains an anion with a charge of –3.
5070/21 · M/J · Q4(d) [1]Sign up to mark my answer →
Describe how a potassium ion, K+, is formed from a potassium atom, K.
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