I will not stop asking until someone answer hurry up already What force is needed to make ball fall on Earth if it has a mass of 13kg

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.