Naming Binary Molecular Compounds Worksheet
A Grade 9 science worksheet focusing on the rules and practice of naming binary molecular compounds.
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Naming Binary Molecular Compounds
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Read each question carefully and follow the instructions to correctly name the binary molecular compounds or identify their chemical formulas.
Binary molecular compounds are formed between two nonmetal elements. They are named using a system of prefixes to indicate the number of atoms of each element present in the compound. The less electronegative element is usually written first.
1. The prefix for four atoms in a binary molecular compound is .
2. In the compound dinitrogen trioxide, the first element is and the second element is .
3. The suffix used for the second element in a binary molecular compound name is .
1. What is the correct name for the compound P2O5?
Diphosphorus pentoxide
Phosphorus oxide
Phosphorus pentoxide
Diphosphorus oxide
2. Which of the following is the correct chemical formula for sulfur hexafluoride?
SF5
S6F
SF6
S5F
1. Name the following binary molecular compounds:
a) CO
b) N2O4
c) CCl4
2. Write the chemical formulas for the following binary molecular compounds:
a) Carbon dioxide
b) Sulfur trioxide
c) Dihydrogen monoxide
1. The prefix 'mono-' is always used for the first element if there is only one atom.
True
False
2. Binary molecular compounds contain a metal and a nonmetal.
True
False