A portion of the periodic table is shown below: A portion of the thirteenth and fourteenth columns of the periodic table is shown. Column 13 reads five boron 10.811 and 13 aluminum 26.982. Column 14 reads six carbon 12.011 and 14 silicon 28.086. Which element has the electron configuration 1s22s22p63s23p1? Aluminum (Al) Boron (B) Carbon (C) Silicon (Si)

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

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.