Which one of the following statements is true for an atom that has full s and p orbitals in its outermost energy level?

a. it's highly reactive only with halogens.
b. it has a stable octet and is unreactive.
c. it's highly reactive only with alkali metals.
d. it can be combined with most elements.

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

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume