Answer:
its 1 not negative
the atom shown below was hydrogen, known as H.
A. Air expands, becomes less dense and rises when the temperature is high due to the increased kinetic energy. This causes the air molecules to move around much more so they are further apart.
I really do not want you to get it wrong but i will go with nitride ion, oxide ion, sodium ion, magnesium ion
<span>C. compounds that have the same atoms arranged in the same order, but with different three-dimensional orientations.</span>
