Valence Electrons
Metallic Bonds
Covalent Bonds
Ionic Bonds
Vocabulary
100
Carbon has 4
How many valence electrons does Carbon have?
100
They loose electrons
How are positively charged ions made?
100
Electrons are shared
What is happens to the electrons in this bond?
100
They are very hard and brittle
What physical properties do ionic compounds have?
100
How many types are bonds are there
3
200
Most atoms want 8, or some want 2.
How many valence electrons does an atom want?
200
to be able to be made into wires.
Whats the definition of ductility ?
200
Molecules
What do covalent bonds consist of?
200
Positives & negatives.
What do ionic bonds form between?
200
A bond formed by the attraction between positively charged metal ions and the electrons around them
What is a metallic bond?
300
The most outer electron(s) in an atom.
What is a valence electron?
300
Electrical conductivity, malleability, and ductility.
What are some properties of metals?
300
To use an electrondot diagrams
What is one way to represent atoms and molecules ?
300
Do ionic bonds share electrons? (True or False)
False
300
When atoms take electrons
What is the definition of ionic bond?
400
They have one valence electron and really want one more electron to have their cloud full.
Why are Alkali Metals so reactive ?
400
What is the difference between metallic bonds and covalent bonds?
Metallic bonds share electrons too, but they as a sea of electrons.
400
Is the covalent bond weak?
Yes
400
The ions that make up an ionic compound are bonded in a repeating three-dimensional pattern called what?
Crystal lattice
400
a group of atoms that are held together by chemical forces
What is the definition of a molecule ?
500
Subtract 10 from their group number.
What is the easiest way of counting the number of electrons in groups 13-17 ?
500
They have a sea of electrons which make them flexible.
Why are metals so malleable ?
500
Diatomic molecules
What is the simplest molecules?
500
The atom has a close number to having a full cloud so they gain some electrons.
How does an atom become a negative ion?
500
The definition of an ion is a charged particle that forms when an atom or group of atoms only gain one or more electrons. (True or False)
False
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