Chemistry, 24.10.2021 21:40 TrueKing184
Cho biết các nguyên tử A, B,C, D có phân mức năng lượng cao nhất trong cấu hình electron lần lượt là 3s2,3p5,3d6,4p3
a) viết cấu hình electron của mỗi nguyên tử A, B,C, D
b) nguyên tố nào là kim loại, phi kim, giải thích?
Answers: 1
Chemistry, 21.06.2019 21:30
If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide
Answers: 1
Chemistry, 21.06.2019 22:30
Omg imgonnafailnfiedkla use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.
Answers: 1
Chemistry, 22.06.2019 00:20
Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml
Answers: 2
Chemistry, 22.06.2019 07:00
At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure
Answers: 2
Cho biết các nguyên tử A, B,C, D có phân mức năng lượng cao nhất trong cấu hình electron lần lượt là...
History, 04.07.2019 20:30
Social Studies, 04.07.2019 20:30
English, 04.07.2019 20:30
Computers and Technology, 04.07.2019 20:30
English, 04.07.2019 20:30
History, 04.07.2019 20:30
Mathematics, 04.07.2019 20:30
History, 04.07.2019 20:30
Geography, 04.07.2019 20:30
Geography, 04.07.2019 20:30