Đồng có hai đồng vị 65 Cu
29
Và 63Cu. Nguyên tử khối tb
29
Của...
Chemistry, 27.09.2021 16:40 nathanbarbry
Đồng có hai đồng vị 65 Cu
29
Và 63Cu. Nguyên tử khối tb
29
Của đồng là 63,54.Tính thành phần phần trăm số nguyên tử của mỗi đồng vii
Answers: 3
Chemistry, 22.06.2019 15:00, YoVeoAnime
20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?
Answers: 1
Chemistry, 22.06.2019 23:00, maddyleighanne
Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry
Answers: 3
Chemistry, 22.06.2019 23:30, lizdeleon248
The sum of the oxidation numbers in a neutral compound is always
Answers: 2
Chemistry, 23.06.2019 00:30, terryg4397
Fred is studying a substance that is made out of only one element. this means that
Answers: 1
History, 07.12.2020 23:20
English, 07.12.2020 23:20
Mathematics, 07.12.2020 23:20
Mathematics, 07.12.2020 23:20
Spanish, 07.12.2020 23:20
Engineering, 07.12.2020 23:20
Computers and Technology, 07.12.2020 23:20