Trong tự nhiên Inđi có 2 đồng vị bền . Đồng vị 113In chiếm 4,3% . Nguyên tử khối trung bình của Inđi là 114,914 . Tìm số khối của đồng vị thứ 2 .

There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?

During which time interval does the object travel approximately 10 meters

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol