cations/anions Flashcards
What is a cation?
A cation is a positively charged ion.
What is an anion?
An anion is a negatively charged ion.
True or False: Cations are formed by the gain of electrons.
False
Which of the following is a common cation: Na+, Cl-, or O2-?
Na+
Fill in the blank: Cations are typically formed by __________.
the loss of electrons
What charge do anions carry?
Anions carry a negative charge.
Which of the following is a common anion: K+, SO4^2-, or Ca2+?
SO4^2-
True or False: Anions are formed by the loss of electrons.
False
What is the charge of a cation with two lost electrons?
+2
Name one example of a monatomic anion.
Chloride (Cl-)
What type of bond is formed between cations and anions?
Ionic bond
Fill in the blank: The chemical formula for sodium chloride is __________.
NaCl
What is the primary difference between cations and anions?
Cations are positively charged, while anions are negatively charged.
Which group of the periodic table typically forms cations?
Alkali metals and alkaline earth metals.
True or False: All metals form cations.
True
What is the charge of a sulfate ion (SO4)?
-2
Fill in the blank: Transition metals can form __________ cations.
multiple
What is the significance of the octet rule in relation to cations and anions?
It explains the tendency of atoms to gain or lose electrons to achieve a full outer shell.
Which of the following ions is a cation: Mg2+, N3-, or HCO3-?
Mg2+
Name the anion formed when sulfur gains two electrons.
Sulfide (S2-)
