SOS, SCIENCE FINAL:(( Arguably the most important concept in Earth science is Convection. What is convection and how does it power the movement of tectonic plates?

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

Evaluate this exponential expression,8. (2 + 3)2 – 42

What is the relation between concentration of reactants and the rate of chemical reaction?