nabilarizwan0987 nabilarizwan0987
  • 15-11-2022
  • Chemistry
contestada

If 3.0 grams of Strontium-90 in a rock sample remained in 1989, approximately how many grams of Strontium-90 were present in the original sample in 1933?

Respuesta :

Otras preguntas

can anyone help me with this one? i don't understand this worksheet at all.
Researchers usually must submit their findings to a journal for review by their colleagues, who make a decision about whether to publish the paper, depending on
3(x-2) >-3 Anyone could help
don't know how to solve 100+0.60x=20+0.80x
line AB has endpoints A (-3, 1) and B (4, 5), find the coordinates of point p on directed line segment AB that partitions AB in the ratio of 5:2
How to know what elements are least likely to form ions?
HELP ASAP!!!!!! Please
The density of water is 1.00 g/ml at 4°c. how many water molecules are present in 2.56 ml of water at this temperature?
What were the names of the two groups that debated whether or not the constitution should be ratified?
convert 3.25 to a fraction