(a) 9 cm + 2.8 cm = 11.8

to what decimal place should each answer be rounded? how many significant figures does the rounded answer have?

Adepositional also feature that forms where a stream enters a lake or an ocean is a

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.

Who discovered a pattern to the elements in 1869?