Worksheets4/5(F): Chemistry Checkpoint #34
Total questions: 10
Worksheet time: 9mins
Match each molecular formula with the correct empirical formula
C6H12
CH2
C2H6
CH3
C2H2
CH
CH4
CH4
Match each molecular formula with the correct empirical formula
C5H10
CH2
C2H6
CH3
C6H6
CH
P4O10
P2O5
Which two terms represent types of chemical formulas? (Choose two)
empirical
structural
fission
fusion
endothermic
Which formula is an empirical formula? (Choose two)
CH2
NH3
N2O4
C3H6
P4O10
Given two formulas representing the same compound:
Formula A CH3
Formula B C2H6
Which statement describes these formulas? (Choose two)
Formula A is empirical
Formula B is empirical
Formula A is molecular
Formula B is molecular
Which molecular formula is also an empirical formula?
C6H6
N2O5
N2H4
H2O2
Phosphorus combines with oxygen to form an oxide that reacts with water to produce phosphoric acid, which is an important industrial compound used to produce fertilizers. An unbalanced equation for the production of phosphoric acid is shown in the image.
Write the empirical formula of the solid reactant in the equation from the image.
P4O10
P2O5
P2O2
PO5
Match each formula with the correct description
empirical formula
the simplest whole-number ratio of atoms
molecular formula
the actual whole-number ratio of atoms
structural formula
arrangement of the atoms in a molecule
A structural formula differs from a molecular formula in that a structural formula shows the
arrangement of atoms
number of atoms
ratio of atoms
types of atoms
Which type of formula represents the simplest whole-number ratio of atoms of the elements in a compound?
molecular formula
condensed formula
empirical formula
structural formula
