How many watts of power (W) do you expend when you exert a force of 10 N that moves a
book 1.5 min a time interval of 2 s?
7.5
06.7
15

100mg magnesium reacts with 20ml of 1.0m hcl

Based on its chemical properties, identify the position of each chemical family on the periodic table.

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.