Hydrogen and helium don't follow the octet rule.
Why? (Hint: Think about
the capacity of the first
energy level of an atom.)

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

This drawing shows a human body system. what is the primary function of this body system?

If two atoms are bonded to a central atom with no lone pairs, how will they be arranged