Molecular oxygen, O2, and ozone, O3, are both examples of
A) atoms.
B) elements.
C) compounds.
D) mixtures.
Question 2
How is the number of unpaired valence electrons in an atom related to the number of bonds that the atom can form?
A) There is no defined relationship between the number of unpaired valence electrons and number of bonds that the atom can form.
B) The number of unpaired valence electrons in an atom is one-half the number of bonds that the atom can form.
C) The number of unpaired valence electrons in an atom is twice the number of bonds that the atom can form.
D) The number of unpaired valence electrons in an atom is the same as the number of bonds that the atom can form.
The most abundant elements found in living organisms
Ancestral versus shared derived characters involving a molecular trait.
Introduction to Organic Compounds
molecular bio lab
Classes of Microorganisms with Descriptions and Examples
Micrographs and drawings of three types of simple epithelia, with examples of their functions and lo