Module 4
Module 5
Module 6
Module 7
100
This is the Lewis structure for Carbon
100
The VSEPR theory tells us that molecules actually have more complex shapes. This shape is given to a molecule that has a bond angle of 105.
What is a bent shape?
100
The formula p = m/V is the formula for this
What is density?
100
The following chemical equation is an example of this type of reaction:
2H3PO4 (s) --> 3H2 (g) + 2P (s) + 4O2 (g)
What is a decomposition reaction?
200
This type of bond is formed in a covalent compound and is often illustrated as two dashed lines
What is a double bond?
200
This is the lewis structure for H2CO
200
Coal burning in a furnance is an example of this type of change
What is chemical change?
200
This is said to be the difference between complete combustion and incomplete combustion reactions
What is the products?
300
This is the Lewis structure for H2CO
300
The molecule, CCl4, has a bond angle of...
What is 109?
300
Adding this coefficient to Mg will make the following chemical equation balanced:
HNO3 (aq) + Mg (s) --> MgN2O6 (aq) + H2 (g)
What is 2?
300
The three products that can be formed by incomplete combustion are
What are carbon, carbon monoxide, and water?
400
These two periodic properties increase as you move across the periodic table from left to right and bottom to top.
What is ionization energy & electromagnetism?
400
The molecule NF3 has this shape and this bond angle
What is a pyramidal shape and 107?
400
Gold has a density of 19.3 grams per mL. If a gold nugget has a volume of 5.60 L, it has a mass of
What is 108,080 grams?
400
This many moles of K2CO3 are found in a 150.0 g sample of K2CO3
What is 1.085 moles?
500
This is the chemical formula for iron (III) oxide.
What is Fe2O3?
500
A covalent molecule in which the electrons are evenly distributed throughout the whole molecule is called
What is a nonpolar molecule?
500
This chemical equation, CO2 (g) + H2O (l) --> C6H12O6 (s) + O2 (g), is said to be
What is unbalanced?
500
This is the mass of a sample of MgBr2 that contains 0.342 moles of the compound
What is 63.0 g?