Chemical Bonding
Ionic Bonds
Covalent Bonds
Metallic Bonding
Valence Electrons
100
What is chemical bonding?
The joining of atoms to form new substances.
100
What is ionic bonding?
Bond between a positive and negative atom.
100
When does a covalent bond form?
When atoms share electrons.
100
What is metallic bonding?
The shared electrons between nuclei.
100
What are valence electrons?
Electrons on the outermost shell.
200
What are used to form chemical bonds?
Valence electrons.
200
What do ionic bonding form between?
metals
200
Covalent Bonds form substances with what properties?
Low melting points and brittle.
200
How do electrons move during metallic bonding?
Freely
200
What is the maximum amount of valence electrons?
8
300
Atoms _____ to have their outer rings full.
Bond
300
Ionic bonds form substances with what properties?
Hard and brittle with high melting points.
300
Is water a covalent bond?
yes.
300
What are some properties of metallic bonding?
Strength, conductivity, malleable, and ductile.
300
What does the number of valence electrons do for an atom?
Determines what the atom will bond with.
400
The number of valence electrons in an atom determine what?
Whether the atom will form bonds.
400
Ionic bonds form what kinds of lattice.
Crystal lattice
400
What state do covalent bonds usually form?
gases
400
The group of electrons are describes as a _____ of electrons.
sea
400
How much valence electrons do noble gases have?
8
500
Atoms _____, _____, or ______ electrons when chemical bonds form.
Share, gain, or lose.
500
When molten or in solution, ionic compounds conduct what?
electricity
500
How many pairs of electrons are shared in a double bond.
Two pairs.
500
Metallic bonding is often compared to that of what? A. Molten Salts B. Nonmetals C. Metals D. Electrons
Molten Salts
500
What is another name for a full electron cloud?
Chemically inert
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