Os pratos A e B de uma balança foram equilibrados com um pedaço de papel em cada prato e efetuou-se a combustão apenas do material contido no prato A. Esse procedimento foi repetido com palha de aço em lugar do papel. Após cada combustão observou-se:

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

How are isotopes of the same chemical element alike? how are they different?

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.