Formulas & Names
Polyatomics
Random
Ions
Properties
100
What is the formula when Magnesium bonds with Nitrogen?
Mg3N2
100
What is the formula AND charge for Carbonate?
Formula: (CO3)
Charge: -2
100
When writing formulas for ionic compounds which ion must be written first?
The cation / (+) charged element / The metal
100
Ions are when the protons are NOT equal to the electrons, BUT it will be ___________.
Stable
100
What makes up ionic compounds?
Metal and a nonmetal OR Cation and an Anion
200
What is the name for the compound BaCl2?
Barium Chloride
200
What is a polyatomic ion?
Multiple atoms bonded together that act as one and will bond with other elements.
200
When naming ionic compounds you change the ending of the second element ___________? But, this does NOT apply to ___________________ ions.
-ide
Polyatomic
200
Atoms have protons that are equal to the electrons, BUT it is ______________.
Unstable
200
What structure do ionic compounds have?
Crystal Lattice Structure
300
How many Magnesium ions and how many Oxygen ions will you need for these two to bond? (Hint: write the formula first.)
1 Magnesium and 1 Oxygen
300
What is the formula when Boron bonds with Phosphate?
B(PO4)
300
How many electrons will the ion Fluorine (F) (lose/gain) when it bonds to become stable? Also, be sure to note if Fluorine will either lose or gain valence electrons and how many.
Gain 1 valence electron
300
How many bonds will the ion Nitrogen (N) make when it bonds with another ion?
3
300
Ionic Compounds have _________ boiling points and __________ melting points.
High/High
400
Draw the Lewis Dot Structure for the elements Magnesium (Mg) and Sulfur (S). THEN, determine how many of each you will need for them to bond.
1 Magnesium and 1 Sulfur
400
Identify the following about Potassium and Sulfate:
1. Formula:
2. Name:
1. K2(SO4)
2. Potassium Sulfate
400
Atoms turn into Ions to make bonds. The octet rule states that all atoms want _________ valence electrons. EXCEPT for Hydrogen and Helium, they only want __________ valence electrons.
8
2
400
Name 6 elements on the periodic table that are NOT ions, because they are already stable as an atom, containing 8 valence electrons (one of them has 2 valence electrons).
ALL Noble Gases:
Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xeon (Xe), and Radon (Ra).
400
What is another name for ionic compounds when dissolved in water?
Electrolytes
500
Identify the following about Copper (II) Fluoride.
1. Symbols and Charges:
2. Formula:
3. Which is the cation? Which is the anion?
1. Cu+2 and F-1
2. CuF2
3. Cation=Cu and Anion=F
500
Give the formulas for the following:
1. Sodium Acetate
2. Aluminum Phosphate
3. Radium Sulfite
1. Na(C2H3O2)
2. Al(PO4)
3. Ra(SO3)
500
In the formula below, X is representing an unknown anion. What is the charge of this unknown anion? Give the charge (+ or -) AND number!
MgX
- 2
500
Identify the following:
-What are the two different types of Ions?
-What are the charges of each type of ion?
-Which one will lose electrons and which one will gain electrons?
-Which one belongs to the metal category and which one belongs to the nonmetal category?
Cation & Anion
Cation (+) & Anion (-)
Cation loses electrons & Anions gain electrons
Cations (metals) & Anions (nonmetals)
500
Ionic compounds are ________________ in water and will only be ____________________ when they are dissolved in water.
Soluble
Conductive