The mass spectrograph of copper shows two bands. One at 62.9296 that has a width of 0.69200 and one that is 0.30800 at 64.9278. Interpret this data and find the mass of naturally occurring copper.

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

What’s the theoretical yield of solid lead

How many neutrons does an element have if its atomic number is 50 and its mass number is 166