Agold colored ring has a mass of 18.9 grams and a volume of 1.12 ml. is the ring pure gold? (the density of gold is 19.3 g/ml.)

What are the chemical names of these compounds? ke: mg3n2: reset next

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion