Ions
Chemical Formulas and Names
Lewis Structures
Molecular Compounds
Covalent Bonds
100
Magnessium bromide is an ionic compound with the chemical formula AlCl3 What does the 3 tell you?
What is there are three chlorine ions for every aluminum ion
100
A combination of symbols that show the ratio of elements in a compound
What is chemical formula
100
[Na]
What is the sodium ion?
100
A molecular compound is
What is a compound that is composed of molecules
100
what is a molecule
What is a neutral group of atoms joined by covalent bonds
200
When an atom loses an electron it becomes a_______
What is positive ion
200
What is the chemical name of CaF2
What is Calcium Flouride
200
Lewis dot diagram for flouride
[F] (dont forget valence e-)
200
When electrons are ___________________between two atoms, a covalent bond is formed
What is shared
200
Give 3 polyatomic ions
varies
300
How old was Harry Potter in Book 3 (during school)
13
300
Name this compound
Na2CO3
2 and 3 are a subscript
What is Sodium Carbonate
300
Ionic compounds have this net charge
What is a neutral charge (zero charge)
300
What is the name of O2
2 is a subscript
oxygen
300
A chemical bond that is formed when two atoms share electrons is called
What is covalent bond
400
Ions that are made of more then one atom are examples of _______
What is polyatomic ions
400
When ions having a positive charge form bonds with ions having a negative charge, the charge on the resulting compound is
What is Neutral or Zero
400
The Lewis dot structure for water.
400
How many naturally diatomic elements do we have?
What is 7
400
potassium is a covalent compound (T/F)
F
500
When an atom gains an electron it becomes a
What is negative ion
500
Hydroxide(OH-) and Cyanide(CN-) are examples of _______
What is polyatomic ions
500
Draw lewis structures that show the difference between how covalent and ionic compounds are formed
sharing; giving and taking
500
draw the following compound including any lone pairs BF3 (3 is a subscript )
BF3 (no lone pairs )
500
A covalent bond in which 3 pairs of electrons are shared
triple covalent bond