WorksheetsMolecules & Compounds
Total questions: 11
Worksheet time: 11mins
What is a molecule?
two or more atoms bonded together.
two or more atoms - of at least two different elements - bonded together
What does the subscript 3 in this chemical formula mean?
There are three separate oxygen atoms
There are three oxygen molecules
There are three oxygen atoms that are bonded together
What does the 4 in this chemical formula mean?
There are four hydrogen atoms in the molecule
There are four water molecules
There are four Hydrogen and four oxygen atoms in the molecule
Is water a molecule, a compound, or both?
Molecule
Compound
Both
If molecules are like Legos, then....
each individual Lego represents an atom and what you build from the Legos represent molecules.
each individual Lego represents molecules.
each individual atom represents compounds.
The 2 in this equation is a _______________.
coefficient
subscript
The 4 in this equation is a _______________.
coefficient
subscript
This picture is a citric acid molecule. It's what makes sour candies sour! Which of the following is the correct chemical formula for this molecule?
C₆H₁₂O₆
CH₄
C₆H₈O₇
Is citric acid (in the picture above) a molecule, a compound, or both?
Molecule
Compound
Both
A specific type of atom (like iron, oxygen, or gold) by itself is called an....
element
molecule
compound
True or False: The chemical symbols from the periodic table are used to write chemical formulas.
True
False
