How are sodium (Na) and potassium (K) similar? O A. They are hard metals.
B. They are highly reactive.
C. They are soft nonmetals.
D. They rarely react.

Answer from each drop-down menu. e characteristics of a borane molecule (bh). the lewis structure and table of electronegativities are given olecular shape is and the molecule is reset next erved. search e a

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied