★ The Chemistry of Microbiology Quiz
The atomic number of an element is ________.
A. the sum of its photons and electrons
B. the number of protons
C. the sum of its protons, neutrons, and electrons
D. the number of electrons
Preview next quiz:
When two atoms equally share one pair of electrons, what kind of chemical bond is formed?
A. nonpolar covalent bond
B. polar covalent bond
C. ionic bond
D. hydrogen bond
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