Chemistry, 17.06.2021 07:00 moongirl4791
Cho các nguyên tố sau đây: Mg (Z=12), Si (Z=14), Cl (Z=17). Hãy cho biết nguyên tố nào có:
a) Bán kính lớn nhất
b) Năng lượng ion hóa lớn nhất
c) Độ âm điện lớn nhất
Giải thích.
Answers: 3
Chemistry, 22.06.2019 01:40
Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.
Answers: 1
Chemistry, 22.06.2019 07:00
Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant
Answers: 3
Chemistry, 22.06.2019 15:30
Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.
Answers: 2
Cho các nguyên tố sau đây: Mg (Z=12), Si (Z=14), Cl (Z=17). Hãy cho biết nguyên tố nào có:
a) Bán k...
Biology, 01.06.2021 18:30
Mathematics, 01.06.2021 18:30
Mathematics, 01.06.2021 18:30
Law, 01.06.2021 18:30
English, 01.06.2021 18:30
Mathematics, 01.06.2021 18:30
Chemistry, 01.06.2021 18:30
Mathematics, 01.06.2021 18:30
Chemistry, 01.06.2021 18:30
Mathematics, 01.06.2021 18:30