1) What is an atom? what is a molecule?2) What is an element? What is chemical compound?3) The

Question

1) What is an atom? what is a molecule?

2) What is an element? What is chemical compound?

3) The

following CPM data was collected from a source of radiation with a Geiger counter. The background level CPM was 12.

No Shielding: 374

Paper : 380

Aluminum: 34

Lead : 2

What type of radiation was being released by the source? Explain the reason.

Science