WorksheetsCompounds and Molecules Worksheet
Total questions: 7
Worksheet time: 5mins
Identify each as a compound or a molecule: O 2 (oxygen gas).
Compound
Molecule
Identify each as a compound or a molecule: H 2 O (water).
Compound
Molecule
Identify each as a compound or a molecule: CO 2 (carbon dioxide).
Compound
Molecule
Identify each as a compound or a molecule: O 3 (ozone).
Compound
Molecule
Identify each as a compound or a molecule: H 2 O 2 (hydrogen peroxide).
Compound
Molecule
Identify each as a compound or a molecule: H 2 (hydrogen gas).
Compound
Molecule
Ion. Definition: an atom that has lost or gained an electron, and therefore has a charge. Na loses an electron and chlorine gains the electron. What is the charge of the Na ion? What is the charge of the Cl ion?
Based on the passage, when Na loses an electron, what charge does the Na ion have?
Positive
Negative
Neutral
Variable
Based on the passage, when Cl gains an electron, what charge does the Cl ion have?
Positive
Negative
Neutral
Zero
