Atoms/Periodic Table
Bonding
Chemical Equations
Chemical Nomenclature
100
An atom has the following characteristics:
4 protons
5 neutrons
4 electrons
What element is it and what is its atomic #
Beryillum
4
100
Draw the bond for the following elements: Ca and S
Then answer these questions:
- What is the charge on the calcium atom after bonding?
- How many sulfur atoms are necessary for the octet rule to be fulfilled for all atoms?
- What is the formula of this compound?
2+
1
CaS
100
Balance the following chemical equation:
__ KOH + __ HBr = __KBr + __H2O
What are the reactants?
How many hydrogen atoms are on the left side before balancing?
1,1,1,1
KOH + HBr
2 hydrogen atoms
100
Write the name of the following compound:
H3P
Trihydrogen Monophosphide
200
An atom has the following characteristics:
Atomic # of 13
10 electrons
14 neutrons
What element is it and what is the mass # of the atom?
Aluminum
27
200
Draw the bond for the following compound: CBr4
(shape=cross)
Then answer these questions:
- How many lone pairs are present in your final drawing?
- How many single bonds are present in your drawing?
- How many double bonds are present in your drawing?
12 lone pairs
4 single bonds
0 double bonds
200
Balance the following chemical equation:
__ Hg2I2 + __ O2 = __Hg2O + __I2
What are the products?
How many iodine atoms are on the right side after balancing?
2,1,2,2
Hg2O + I2
4 iodine atoms
200
Write the formula of the following compound:
Potassium oxide
K2O
300
An atom has the following characteristics:
Atomic #= 17
Mass #=35
Charge= 0
What element is it and how many neutrons does it have?
Chlorine
18
300
Draw the bond for the following elements: Be and P
Then answer these questions:
- How many electrons does each phosphorus accept?
- How many beryillum atoms are necessary for the octet rule to be fulfilled for all atoms?
- What is the formula of this compound?
3 electrons
3 beryillum atoms
Be3P2
300
Balance the following chemical equation:
__ NaClO3 --> __NaCl + __ O2
What are the reactants?
How many chlorine atoms are on the left side before the equation is balanced?
2,2,3
NaClO3
1 chlorine atom
300
Write the name of the following compound:
Al(OH)3
Aluminum Hydroxide
400
An atom has the following characteristics:
Atomic #= 47
Mass #=109
Electrons= 46
What element is it and what is the charge of the ion?
Silver
1+
400
Draw the bond for the following elements: SO3
(Shape= T-shaped)
Then answer these questions:
- Who is in the center of the drawing?
- How many total electrons are in the drawing?
- How many double bonds are necessary?
Sulfur is in the center
24 electrons in the drawing
1 double bond
400
Balance the following chemical equation:
__FeBr3 + __ H2SO4 --> __ Fe2(SO4)3 + __ HBr
What are the reactants?
How many sulfur are on the right side before balancing?
2,3,1,6
FeBr3 + H2SO4
3 sulfur atoms
400
Write the formula for the following compound:
Titanium (II) nitride
Ti3N2
500
An atom has the following characteristics:
Atomic #= 52
Mass #=128
Charge= 2-
What element is it and how many electrons does it have?
Tellerium
54
500
Identify the problem with this drawing and suggest a solution
1.) 2 extra electrons
2.) Change the double bond to a single bond
500
Balance the following chemical equation:
__ Na + __ NaNO3 --> __Na2O + __ N2
What are the products?
How many sodium are present on the right side after balancing?
10,2,6,1
Na2O + N2
12 sodium atoms
500
Write the name for the following compound:
Fe(NO3)3
Iron (III) Nitrate