Ionic Bonds
Covalent Bonds
Metallic Bonds
Valence Electrons
Miscellaneous
100
Ionic bonds form between what two types of ions?
Positive and negative ions.
100
In covalent bonds, electrons are _______.
Shared
100
How are the electrons placed in metallic bonds?
It is a sea of electrons free to move around.
100
How many valence electrons are there in the elements of groups 3 - 12?
It may vary between 1 or 2.
100
Bonding is formed when an atom wants their outermost ring to be full with __ electrons.
8
200
What is formed in an ionic compound?
A crystal lattice.
200
Covalent bonds are usually _________ than other bonds.
Weaker
200
Metallic bonds cause metals to be ___________ (shapeable).
Malleable
200
Do noble gases form bonds?
No
200
Chemical bonding is the force of __________ that holds the atoms together.
Attraction.
300
What can be formed when a metal and nonmetal form an ionic bond?
A salt may be formed.
300
Instead of being stolen, how are electrons used between two different atoms?
They are shared.
300
Metallic bonds are what makes metals good conductors of ____________.
Electricity.
300
Halogens are very reactive because they only need __ more valence electron to have a full outer ring.
One
300
What type of bond bonds the water molecule together?
Covalent bond, because the electrons are shared.
400
When an electron is gained or lost, what is formed?
An ion.
400
True or False? Covalently bonded atoms tend to have lower melting and boiling points than those ionic compounds.
True
400
True or False? Positively charged metal ions form when metal atoms lose electrons.
True
400
The oxygen group is likely to bond with group __ because it is lacking that many valence electrons.
2
400
What do the dots represent on an electron dot diagram?
The valence electrons.
500
Because ionic bonds are so strong, that causes salt (and other ionic compounds) to be brittle and have ______ melting and boiling points.
High
500
A covalent bond acting on two atoms causes those two atoms to combine and form a __________.
Molecule
500
Metallic bonds only bond _____.
Metals
500
True or False? In an electron dot diagram, the valence electrons are not paired in two, but are instead paired in threes.
False
500
What moves freely in metallic bonds?
The valence electrons.
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