What are atoms? a. tiny particles that make up all matter
b. tiny particles that can only be seen with a microscope
c. tiny particles that look like gnats
d. particles that are so large they cannot be seen

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

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