64) ________ orbit around the nucleus of an atom.
65) A : 1380708.
64) ________ orbit around the nucleus of an atom.
65) A single covalent chemical bond represents a sharing of ________ electrons between two atoms.
66) Water molecules are uncharged and ________.
67) Hydrogen bonds may form between oxygen of one water molecule and ________ of another water molecule.
68) A signal molecule will ________ to a receptor if the molecules’ shapes match, similar to a key in a lock.
69) It takes more energy to raise the temperature of water than of alcohol because water has a higher ________.
70) A(n) ________ has a higher pH than a(n) ________.
71) Which elements make up the majority of the human body?
72) What are the three most important subatomic particles in an atom called? Which one is involved in forming chemical bonds?
64) ________ orbit around the nucleus of an atom.
65) A : 1380708
