Z
Zaheen
About
← Home
Chemistry · O Level
Periodic Table Flashcards
Tap each card to reveal the answer, then mark whether you knew it.
Card 1 of 30
Known: 0
Periodic Table · O Level
What ion does a Group 7 non-metal form?
Tap to reveal answer
Answer
A 1− ion (gains 1 electron).
Tap to flip back
Reveal Answer