Introduction to Iona Flashcards
(15 cards)
What is an ion?
An ion is an atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.
How do atoms become ions?
Atoms become ions by gaining or losing electrons to achieve a full outer electron shell.
What is a cation?
A cation is a positively charged ion that is formed by losing electrons.
What is an anion?
An anion is a negatively charged ion that is formed by gaining electrons.
What type of bond involves the transfer of electrons between atoms?
Ionic bond involves the transfer of electrons between atoms to form ions.
True or False: Ionic bonds typically form between metals and nonmetals.
True
Fill in the blank: In an ionic bond, a _______ donates electrons to a _______.
metal; nonmetal
What is a covalent bond?
A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.
Fill in the blank: In a covalent bond, atoms share _______ to achieve stability.
electrons
What type of bond is formed between two nonmetal atoms?
Covalent bond
What type of bond is formed between a metal and a nonmetal?
Ionic bond
What is a polar covalent bond?
A polar covalent bond is a type of covalent bond where electrons are shared unequally between atoms.
True or False: In a covalent bond, electrons are always shared equally between atoms.
False
What is a metallic bond?
A metallic bond is a type of bond that occurs between metal atoms where electrons are shared among a sea of electrons.
Fill in the blank: In a metallic bond, electrons are delocalized, meaning they are free to move throughout the _______.
metal structure
