Chemistry, 31.10.2019 17:31 lisafrench8222
Which of the following elements in the third period would you expect to have the most negative electron affinity value, and why? aluminum (al), because it is a metal with a large atomic radius chlorine (cl), because it is a halogen with a high effective nuclear charge silicon (si), because metalloids release the most energy when gaining electrons sodium (na), because alkali metals only have one electron in the outer energy level
Answers: 1
Chemistry, 22.06.2019 08:00, PrincessKeliah5538
Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
Chemistry, 22.06.2019 21:00, itasykamila
How many neutrons does an element have if its atomic number is 50 and its mass number is 166
Answers: 1
Chemistry, 22.06.2019 21:30, MJyoungboy
Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.
Answers: 3
Which of the following elements in the third period would you expect to have the most negative elect...
Business, 04.03.2021 04:50
Mathematics, 04.03.2021 04:50
Mathematics, 04.03.2021 04:50
Mathematics, 04.03.2021 04:50
Mathematics, 04.03.2021 04:50
Mathematics, 04.03.2021 04:50
Mathematics, 04.03.2021 04:50
Physics, 04.03.2021 04:50