1
What results from an unequal sharing of electrons between atoms?
A polar covalent bond
2
Which of the following explains most specifically the attraction of water molecules to one another?
Hydrogen bond
3
Two atoms appear to have the same mass number. These atoms...
must have the same number of protons and neutrons
4
We can represent atoms by listing the number of protons, neutrons, and electrons- for example, 2p+;2n 0;2e- for helium. What is the 18O isotope of oxygen?
8p+;10n 0;8e-