Biology: Life on Earth

Chapter 2: Atoms, Molecules, and Life

2.1 Post-quiz

1. The chemical bonding properties of an atom are determined directly by: [Hint]

2. Covalent bonds are formed by: [Hint]

3. A carbon atom with six protons in its nucleus would be expected to have how many electrons? [Hint]

4. A hypothetical atom has an outermost electron shell that can hold 10 electrons. This atom has seven protons and is electrically neutral. How many covalent bonds can this atom form? [Hint]

5. An atom other than hydrogen has a single electron in its outermost shell. What is the most likely outcome for this atom in terms of chemical bonding? [Hint]

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