5 Questions
What is the main reason why ions are charged particles?
They have an imbalance of protons and electrons
Which type of ion forms when single atoms gain or lose electrons?
Monatomic ion
What does the prefix 'poly-' indicate in polyatomic ions?
Two or more atoms
Why is it possible for groups of atoms to collectively develop a charge?
Because they can gain or lose electrons together
What characteristic defines the variability in the number of atoms within a polyatomic ion?
The charge of the ion
Study Notes
Atoms and Ions
- Atoms can gain or lose electrons to form charged particles called ions
- Ions are formed due to an imbalance of protons and electrons, which are oppositely charged particles
Types of Ions
- Monatomic ions: formed when a single atom gains or loses electrons
- Polyatomic ions: formed when a group of atoms collectively develops a charge
- The prefix 'mono-' refers to one atom, and the prefix 'poly-' refers to many (two or more) atoms
- The number of atoms in a polyatomic ion is variable
Test your knowledge on how atoms gain or lose electrons to form ions, including monatomic ions and polyatomic ions. Understand why ions are charged particles due to an imbalance of protons and electrons.
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