Hydrogen bonding (a) occurs as a result of the attraction of polar molecules (b) exists only between water molecules (c) explains why water has such a low heat capacity (d) none of these.

Stage in which a typical star has completely stopped fusion

The fact that the total amount of energy in a system remains constant is a(n)

Which of the following statements is true? an atom consists of protons, electrons, and neutrons. an atom consists of protons and neutrons. an atom consists of electrons bonded to one another. an atom consists of protons bonded to one another.